Memorial Day weekend, May 23 to 25, 2026, is the practical start of summer in the Tucson metro — and three separate municipal aquatics calendars overlap inside it. Per the Pima County Natural Resources, Parks and Recreation aquatics pages, the City of Tucson Parks and Recreation pools-and-splash-pads page, the Town of Marana Parks and Recreation Marana Aquatic and Recreation Center (MARC) facility page, the Town of Oro Valley Aquatic Center page, the Town of Sahuarita Parks and Recreation Anamax Park news release, BizTUCSON's coverage of the May 3, 2025 MARC ribbon-cutting, KGUN 9's 'Tucson Parks and Recreation summer pools open June 1' coverage, and the Tucson Sentinel's 'That summer feeling: Tucson city pools open June 1, Pima's open next week' report, Pima County's nine-pool roster opens Memorial Day weekend Saturday; the City of Tucson's 19 community pools open with free admission on Monday, June 1; the MARC at 13455 North Marana Main Street runs its first full Memorial Day weekend as an established town facility a year after its May 3, 2025 grand opening; the Oro Valley Aquatic Center at 23 West Calle Concordia keeps its 50-meter Olympic pool on its standing year-round program; and the Sahuarita Anamax Park splash pad runs dawn-to-dusk free admission through October. Here is the May 19, 2026 sourced walk-through. May 23 — Pima County's nine-pool summer roster opens Memorial Day Saturday. June 1 — City of Tucson's 19 community pools open free to the public. 230+ — Lifeguards on duty across the City of Tucson summer pool system. $64M — Marana Aquatic and Recreation Center, opened May 3, 2025 The Three Calendars That Drive Tucson-Region Pool Season Three things make the Tucson-region pool calendar more complicated than a single open-and-close date. First, the metro has three separate municipal aquatics programs operating side by side: the City of Tucson's Parks and Recreation system, the Pima County Natural Resources, Parks and Recreation system, and the individual Town of Marana, Town of Oro Valley, and Town of Sahuarita parks departments. Each runs its own calendar, fee schedule, and lifeguard staffing model. Second, the climate window in southern Arizona is wider than in most U.S. metros: per the Tucson Parks and Recreation pools-and-splash-pads page and the agency's seasonal news releases, the city's splash pads run daily 8 a.m. to sunset from April 1 through October 31, a seven-month outdoor-water window most northern cities do not have. Third, the school-calendar handoff matters: Tucson Unified School District and surrounding district summer schedules align with the early-June summer-school cycle and the late-May Memorial Day holiday, which is part of why Pima County and the City of Tucson stagger their openings rather than running on the same date. Memorial Day Weekend, May 23 to 25, 2026: What Is Open Per the Pima County aquatics pages, the Town of Marana MARC facility page, the Town of Oro Valley Aquatic Center page, and the Town of Sahuarita Parks and Recreation Anamax Park release, the Memorial Day weekend swimming-and-water-play options across the metro on Saturday May 23, Sunday May 24, and Memorial Day Monday May 25, 2026, fall into five distinct buckets. (1) Pima County's nine-pool summer roster opens Memorial Day weekend Saturday, with recreational swim available at each of the nine county-operated pools at the standard summer admission of $1 per child age 17 and under and $3 per adult age 18 and up. (2) The City of Tucson's 19 community pools do not open for general summer recreational swim until Monday, June 1; the city's separate extended-season pool — Catalina Pool at 3500 East Pima Street — has been running on a reduced schedule since April under the city's extended-season program. (3) The Marana Aquatic and Recreation Center at 13455 North Marana Main Street runs its year-round indoor-and-outdoor schedule, with the outdoor recreation pool fully active for the holiday weekend. (4) The Oro Valley Aquatic Center at 23 West Calle Concordia runs its standing weekday-and-weekend schedule, with the 50-meter Olympic pool, the 25-yard recreation pool, the water slide, and the diving boards available on the standard fee structure. (5) Splash pads — at City of Tucson, Pima County, and Town of Sahuarita facilities — are already open and run free for the weekend. Specific holiday hours can shift, and the responsible agency's official page is the source of record on any given morning. Quick planning tip: Memorial Day Monday May 25 is the holiday itself, and some facilities run reduced hours or are closed for the holiday entirely. The Pima County aquatics page confirms reduced or closed hours at most county pools on Memorial Day Monday; the City of Tucson's main summer pool roster has not yet opened by that date. The simplest weekend plan for a Tucson, Marana, or Oro Valley family is: Saturday at a Pima County pool, Sunday at a town-operated facility (MARC, Oro Valley Aquatic, or a Tucson splash pad), and Monday morning at a splash pad or a town-operated indoor pool before the afternoon heat sets in. Pima County's Nine-Pool Summer Roster Per the Pima County Natural Resources, Parks and Recreation aquatics page and the individual county pool facility pages, the agency operates nine pools across the metro for the summer 2026 season, opening Memorial Day weekend Saturday, May 23, 2026, and running through the end of July on the standard county-aquatics calendar. Admission is $1 per child age 17 and under and $3 per adult age 18 and up. Swim lessons, junior lifeguarding, and recreational and lap-swim windows are programmed at each location. The geographic spread is the part most relevant for residents weighing a drive: there are county pools as far west as Picture Rocks, as far north as Catalina, as far southeast as central Tucson and Kino, and as far south and southwest as Manzanita and Los Niños, plus two pools operated in partnership with school districts and the YMCA on the northwest side and at Marana High School. Ajo Pool (Far west Pima County, Town of Ajo): Per the Pima County aquatics page, Ajo Pool sits at 290 West Fifth Street in Ajo, the small unincorporated copper-mining town roughly 130 miles west of Tucson in far-western Pima County. The pool serves Ajo, Why, Lukeville, and the broader western desert corridor. It is the county's most geographically remote facility and the only summer pool in the western half of the county. Catalina Pool (Pima County) (North foothills, Oracle Road corridor): Per the Pima County aquatics page, the county's Catalina Pool sits at 16562 North Oracle Road in Catalina, the unincorporated community just north of Oro Valley. The pool is the closest county summer facility to SaddleBrooke, Oracle, and the far-north Oro Valley neighborhoods, and it is one of the two county pools (with Kino) that show up on most relocation buyers' shortlists when they are weighing northwest-side family amenities. Flowing Wells Junior High School Pool (Northwest Tucson, School-district partnership): Per the Pima County aquatics page, this pool is operated in partnership with the Flowing Wells Unified School District and sits at 4545 North La Cholla Boulevard, on the Flowing Wells Junior High campus. It is the closest county-operated pool to the Casas Adobes and Flowing Wells residential corridors and the northwest-side neighborhoods inside Tucson city limits but outside the immediate Catalina footprint. Kino Pool (South-central Tucson, Adjacent to Kino Sports Complex): Per the Pima County aquatics page, Kino Pool sits at 2805 East Ajo Way, on the same county-owned campus that houses the larger Kino Sports Complex. The location works for South Park, Barrio Hollywood, and the south-central Tucson neighborhoods, and it is the county pool closest to the Memorial Day weekend Tucson Asian Night Market at Kino Sports Complex South. Los Niños Pool (Far south Tucson, Drexel-Bryant corridor): Per the Pima County aquatics page, Los Niños Pool sits at 5432 South Bryant Avenue in the far-south Drexel-Bryant corridor. The pool serves the south-side neighborhoods of unincorporated Pima County south of Valencia Road and is one of the two south-side county pools (with Manzanita) on the summer 2026 roster. Manzanita Pool (Southwest Tucson, Six lap lanes, Zero-depth entry, Slide): Per the Pima County aquatics page and the Manzanita Pool facility page, Manzanita Pool sits at 5110 South San Joaquin Avenue inside Winston Reynolds–Manzanita Park on the southwest side of Tucson. The pool features six lap lanes, a slide, a deep end, a zero-depth entry, a mushroom water feature, and a grass picnic area. It is the busiest of the county pools by foot traffic and the one most often booked for summer-party-zone private rentals. Picture Rocks Pool (Far northwest, Avra Valley side): Per the Pima County aquatics page and the Picture Rocks Pool facility page, Picture Rocks Pool sits at 5615 North Sanders Road on the far-northwest side of the metro, on the Avra Valley side of the Tucson Mountains. The pool serves Picture Rocks, Marana, and the unincorporated northwest desert communities, and it is the pool most often used by residents who live closer to Saguaro National Park West than to the central Tucson core. Thad Terry Aquatic Center (Northwest YMCA partnership) (Northwest, Operated with YMCA): Per the Pima County aquatics page, the Thad Terry Aquatic Center is operated in partnership with the Northwest YMCA at 7770 North Shannon Road. The facility provides additional swim-lesson capacity and recreational swim windows for the northwest-side residential corridor between River Road and Magee, including the Casas Adobes, La Cholla, and Pima Canyon neighborhoods. Wade McLean Pool (Marana High School) (Marana, School-district partnership): Per the Pima County aquatics page, the Wade McLean Pool is operated in partnership with the Marana Unified School District on the Marana High School campus at 12000 West Emigh Road. The pool is the only county-operated summer pool inside the Town of Marana corporate boundary and serves the Marana Main Street, Continental Ranch, and Dove Mountain residential corridors. The City of Tucson's 19 Pools: Free Admission, Free Lap Swim, Free Open Swim, June 1 Per the City of Tucson Parks and Recreation pools-and-splash-pads page and the agency's Summer Pools Open June 1 press releases, the City of Tucson operates the largest summer pool system in southern Arizona: 19 community pools spread from the far west side at Joaquin Murrieta Park to the far east side at Udall Park, with the full June-1-to-July-31 summer schedule covered by a working roster of more than 230 lifeguards. Pool admission is free for everyone — the city does not charge a per-visit fee at its summer pools. Lap swim for adults, recreational open swim for all ages, and free swim windows are programmed at every location. Pool slides and diving boards are only open from June through August. The city also runs an annual summer swim-lesson program in four two-week sessions at $15 per session, for children from six months through 17 years. Quincie Douglas Pool on the south side is the city pool most often singled out by parents for its giant water slide; the Edith Ball Adaptive Recreation Center Pool at the Randolph Recreation Center near Reid Park is the city's primary adaptive-aquatics facility and stays on a year-round schedule with specialized programming. The 19-pool roster spans the city's full footprint. Per the City of Tucson Parks and Recreation pool list and the agency's summer aquatics schedule PDF, the summer pools include Amphitheater, Archer, Catalina, Clements, Edith Ball Adaptive Recreation Center, El Pueblo, Fort Lowell, Freedom, Himmel, Jacobs, Jesse Owens, Joaquin Murrieta, Kennedy, Mansfield, Menlo, Oury, Palo Verde, Purple Heart, Quincie Douglas, Sunnyside, Thompson, and Udall — with the specific 19-pool count for any given summer determined by the city's annual operating budget and lifeguard-staffing capacity. Catalina Pool at 3500 East Pima Street is the city's extended-season pool, which is why it has already been running on a reduced schedule since April 1 under the city's extended-season program rather than waiting for the June 1 system-wide opening. For households comparing summer pool access against other Sun Belt metros, the practical signal of the City of Tucson program is that the pools are free, the lifeguard staffing is real, and the geographic spread covers nearly every quadrant of the city inside Interstate 10 and east to the Rincon foothills. Beyond the City Limits: Marana, Oro Valley, and Sahuarita Per the Town of Marana, Town of Oro Valley, and Town of Sahuarita parks-and-recreation pages, the three largest incorporated towns in the Tucson metro outside the City of Tucson each operate their own town-funded aquatics or splash-pad amenity. The pattern is a function of how each town grew: Oro Valley's facility predates the most recent Tucson-metro residential growth surge and has been the regional 50-meter Olympic-and-competition venue for nearly two decades; Marana's facility is brand-new (a single Memorial Day weekend ago) and reflects the half-cent sales-tax vote the town approved in 2021; Sahuarita's facility is the smallest of the three (a splash pad rather than a swimming pool) but reflects the town's deliberate parks-buildout strategy in a community that has grown from roughly 3,000 residents in 2000 to more than 36,000 today. Marana Aquatic and Recreation Center (MARC) (13455 N. Marana Main St., Opened May 3, 2025, $64M facility): Per the Town of Marana MARC facility page, the BizTUCSON 'Marana Celebrates Grand Opening' coverage, and the KGUN 9 ribbon-cutting reporting, the MARC opened on Saturday, May 3, 2025, after a 20-month construction window funded by the temporary half-cent sales tax town voters approved in 2021. The facility totals approximately 120,000 square feet of indoor and outdoor space — a 60,000-square-foot recreation center and a 48,000-square-foot aquatic center — and includes a competition pool, a recreation pool with a resistance channel, a zero-depth-entry pool, two 20-foot water slides, an interactive splash pad with a tipping bucket and children's slide, cabanas, an event lawn, a teen room for ages 13 through 18, one large community room, and two multi-purpose rooms. Day passes are available; check the MARC online portal for current pricing and the summer 2026 schedule. Oro Valley Aquatic Center (23 W. Calle Concordia, 50m Olympic + 25-yd rec, Year-round): Per the Town of Oro Valley Aquatic Center page and the facility's published feature list, the Oro Valley Aquatic Center sits at 23 West Calle Concordia just east of Oracle Road in central Oro Valley. The facility includes a 50-meter Olympic-sized competition pool with a Colorado Time System, touch pads, and a scoreboard; a 25-yard recreation pool; a bright orange water slide; four diving boards including competition platforms; a splash pad; spectator seating; meeting spaces; shaded areas; and free wifi. Standing hours per the Yelp listing run Monday through Friday 5 a.m. to 8:30 p.m., Saturday 6 a.m. to 5 p.m., and Sunday noon to 4 p.m. The pool is heated, runs year-round, and is the regional venue for competitive long-course and short-course swim meets. Sahuarita Anamax Park Splash Pad (17501 S. Camino De Las Quintas, Opened May 2025, Free): Per the Town of Sahuarita Parks and Recreation Anamax Park news release and the KGUN 9 'Sahuarita opens first-ever splash pad' coverage, the Town of Sahuarita's first splash pad opened at Anamax District Park in May 2025 and runs from dawn to dusk, May through October, at no cost to the public. The splash pad serves the Rancho Sahuarita, Madera Highlands, Quail Creek, and Green Valley residential corridors and is the first town-funded outdoor water-play feature on the south-of-Tucson side of Pima County. Group reservations for ten or more available through Sahuarita Parks and Recreation at (520) 445-7850. Brandi Fenton Splash Pad (Pima County) (Central Tucson, Free, Ages 12 and under): Per the Pima County Brandi Fenton Splash Pad facility page, the splash pad at Brandi Fenton Memorial Park on the south bank of the Rillito River near First Avenue runs for the summer season with spray arches, water geysers, and other water features. The splash pad is open to children age 12 and under and to the adults who accompany them. The location is one of the most centrally located free splash pads in the entire Tucson metro and is a frequent fallback for families staying on the central or near-northwest side. Splash Pads: Free, Family-Friendly, Already Open Across the Metro Per the City of Tucson Parks and Recreation splash-pads page, the city operates a network of splash pads that runs daily from April 1 through October 31, every day from 8 a.m. to sunset, at no admission cost. Splash pad sites inside the City of Tucson include Barrio Nopal, Catalina Park, Fort Lowell Park, Freedom Park, Jesse Owens Park, Joaquin Murrieta Park, Mansfeld Park, Menlo Park, Purple Heart Park, and additional locations published on the agency's splash-pads page. The geographic spread mirrors the city's pool roster — almost every quadrant of the city is within a short drive of a free splash pad — and the seven-month operating window is one of the longest in the United States. For relocation buyers who are weighing summer-amenity quality against utility-bill load (Tucson's summer monthly cooling costs are notably higher than the national average), the free splash-pad infrastructure is a tangible buffer that does not show up in real-estate listing data but materially shapes the daily-life experience of summer in Tucson with school-age children. Quick reference (May 19, 2026): Pima County's nine-pool roster opens Memorial Day weekend Saturday, May 23, 2026, at $1 per child age 17 and under and $3 per adult age 18 and up. The City of Tucson's 19 community pools open with free admission on Monday, June 1. City splash pads run daily 8 a.m. to sunset, April 1 through October 31. The Marana Aquatic and Recreation Center at 13455 North Marana Main Street is open year-round. The Oro Valley Aquatic Center at 23 West Calle Concordia is open year-round. The Town of Sahuarita Anamax Park splash pad runs dawn to dusk, May through October, free. Why This Matters for Buyers, Sellers, and Relocators For relocation buyers comparing Tucson against other Sun Belt destinations, the summer-amenity infrastructure is one of the qualitative datapoints that does not appear in median-sale-price tables but materially shapes the daily-life calculus of moving to southern Arizona. The combined Tucson-region pool and splash-pad inventory — 19 free City of Tucson community pools, nine Pima County summer pools at $1 per child and $3 per adult, a brand-new $64 million Marana town facility, a 50-meter Olympic Oro Valley pool, a free Sahuarita splash pad, and a daily-8-a.m.-to-sunset April-to-October City of Tucson splash-pad network — is competitive with or larger than the public-aquatics inventory in comparably sized metros across Texas, Nevada, and New Mexico, and the seven-month splash-pad operating window is one of the longest in the country. For Tucson, Marana, Oro Valley, and Sahuarita sellers preparing for the late-spring and early-summer listing window, the practical effect is that buyer-side showings on hot afternoons drop off quickly, and morning showings before 10 a.m. and evening showings after 6 p.m. become the working windows. For families considering a Tucson move with school-age children, the cleanest stress-test of any neighborhood's daily-life fit is to drive the closest splash pad and the closest summer pool on a Saturday morning in late May or early June and time the commute. What to Watch Through the Coming Weeks Three threads are worth tracking through the rest of May and into mid-June 2026. First, the Pima County Memorial Day weekend opening itself: the agency's aquatics page is the official source of record for the Saturday May 23 opening and any holiday-Monday May 25 service notes, and county pools typically run reduced or closed hours on the Monday holiday. Second, the City of Tucson's Monday June 1 system-wide opening: per the agency's summer-pools announcement, lifeguard staffing and the slide-and-diving-board open-from-June-through-August window are confirmed on the schedule, and the city posts the full pool-by-pool summer hours on its pools-and-splash-pads page in the days leading up to the opening. Third, the summer swim-lesson registration: per the City of Tucson swim-lessons page and the Pima County swimming-lessons page, both agencies publish their summer swim-lesson session calendars and registration links each May; the city's program runs in four two-week sessions at $15 per session for ages six months through 17 years, and the county's program runs alongside its summer recreational schedule. The Marana, Oro Valley, and Sahuarita parks departments each publish their own swim-lesson and aquatics-program calendars on their respective town parks-and-recreation pages. Sources Pima County Natural Resources, Parks and Recreation — Pools and Splash Pads main page (pima.gov/1237/Pools-Splash-Pads); Manzanita Pool facility page on the 5110 South San Joaquin Avenue address, the six lap lanes, the slide, the zero-depth entry, the mushroom water feature, and the published summer hours (pima.gov/1426/Manzanita-Pool); Picture Rocks Pool facility page (pima.gov/1429/Picture-Rocks-Pool); Brandi Fenton Splash Pad facility page (pima.gov/1241/Brandi-Fenton-Splash-Pad); Winston Reynolds–Manzanita Park page (pima.gov/1422/Winston-Reynolds---Manzanita-Park); Summer Party Zone and Private Rental page (pima.gov/1377/Summer-Party-Zone-Private-Rental); Swimming Lessons page (pima.gov/1364/Swimming-Lessons); and Parks and Pools directory (pima.gov/2687/Parks-Pools) for the nine-pool 2026 roster including Ajo Pool at 290 West Fifth Street, Catalina Pool at 16562 North Oracle Road, Flowing Wells Junior High School Pool at 4545 North La Cholla Boulevard, Kino Pool at 2805 East Ajo Way, Los Niños Pool at 5432 South Bryant Avenue, Manzanita Pool at 5110 South San Joaquin Avenue, Picture Rocks Pool at 5615 North Sanders Road, the Thad Terry Aquatic Center at the Northwest YMCA at 7770 North Shannon Road, and the Wade McLean Pool at Marana High School at 12000 West Emigh Road, with summer admission at $1 per child age 17 and under and $3 per adult age 18 and up. City of Tucson Parks and Recreation — Pools and Splash Pads page (tucsonaz.gov/Departments/Parks-and-Recreation/Pools-and-Splash-Pads); Splash Pads sub-page (tucsonaz.gov/Departments/Parks-and-Recreation/Pools-and-Splash-Pads/Splash-Pads); Swim Lessons page (tucsonaz.gov/Departments/Parks-and-Recreation/Pools-and-Splash-Pads/Swim-Lessons); Summer Pools Open June 1 GovDelivery bulletins (content.govdelivery.com/accounts/AZTUCSON/bulletins/3df3afd and content.govdelivery.com/accounts/AZTUCSON/bulletins/3e045ad CORRECTION) for the 19-pool June 1 free-admission opening, the more-than-230 lifeguard staffing figure, the four two-week swim-lesson sessions at $15 per session for ages six months through 17 years, and the daily 8 a.m. to sunset April 1 to October 31 splash-pad operating window; and City Extended-Season Pools and Splash Pads to Open April 1 GovDelivery bulletin (content.govdelivery.com/accounts/AZTUCSON/bulletins/3111e98). KGUN 9 — 'Tucson Parks and Recreation summer pools open June 1' (kgun9.com/entertainment/things-to-do/tucson-parks-and-recreation-summer-pools-open-june-1); 'Marana Aquatic and Recreation Center opens this Saturday' (kgun9.com/news/community-inspired-journalism/marana/marana-aquatic-and-recreation-center-opens-this-saturday); and 'Sahuarita opens first-ever splash pad at Anamax Park just in time for summer' (kgun9.com/news/community-inspired-journalism/sahuarita-and-green-valley-news/sahuarita-opens-first-ever-splash-pad-at-anamax-park-just-in-time-for-summer). KOLD News 13 — 'City of Tucson extends summer pool schedule' (kold.com/2025/07/30/city-tucson-extends-summer-pool-schedule). Tucson Sentinel — 'That summer feeling: Tucson city pools open June 1, Pima's open next week' (tucsonsentinel.com/local/report/051425_swimming_pools/) and 'Tucson keeping 9 city swimming pools open after 10 close at end of July' (tucsonsentinel.com/local/report/073125_tucson_pools/). Town of Marana — Marana Aquatic and Recreation Center facility page (maranaaz.gov/Departments/Parks-Recreation/Marana-Aquatic-Recreation-Center); Aquatics overview (maranaaz.gov/Departments/Parks-Recreation/Aquatics); 'Marana Celebrates Grand Opening of the MARC' news release (maranaaz.gov/Newsroom-Entries/2025/Marana-Celebrates-Grand-Opening-of-the-MARC); and 'Milestone in Community & Aquatic Center Construction' news release (maranaaz.gov/Newsroom-Entries/2024/Milestone-in-Community-Aquatic-Center-Construction). BizTUCSON — 'New Marana Aquatic & Recreation Center' (biztucson.com/new-marana-aquatic-recreation-center) and 'Marana Celebrates Grand Opening of Marana Aquatic and Recreation Center' (biztucson.com/marana-celebrates-grand-opening-of-marana-aquatic-and-recreation-center) for the $64 million project cost, the 20-month construction window, the 2021 half-cent sales-tax vote, and the approximately 120,000 square feet of combined indoor and outdoor space across the 60,000-square-foot recreation center and the 48,000-square-foot aquatic center. Town of Oro Valley — Aquatic Center facility page (orovalleyaz.gov/Government/Departments/Parks-and-Recreation/Facilities/Aquatic-Center) and the archived Hours of Operation page (archive.orovalleyaz.gov/aquatics/hours-operation) for the 23 West Calle Concordia address, the 50-meter Olympic competition pool with Colorado Time System and touch pads, the 25-yard recreation pool, the four diving boards, the water slide, and the standing weekday-and-weekend schedule. Town of Sahuarita — Anamax Park facility page (sahuaritaaz.gov/facilities/facility/details/Anamax-Park-1) and 'New Anamax Splashpad Opens in Sahuarita' news release (sahuaritaaz.gov/m/newsflash/Home/Detail/1272) for the 17501 South Camino De Las Quintas address, the May 2025 opening, the dawn-to-dusk free admission, and the May-through-October operating window. TucsonTopia — 'Best Splash Pads in Tucson' (tucsontopia.com/splash-pads-tucson) and 'Guide to Oro Valley Aquatic Center' (tucsontopia.com/oro-valley-aquatic-center). ThisIsTucson and Arizona Daily Star (tucson.com) — 'A giant list of places to swim this summer including public pools, resorts and splash pads' (thisistucson.com/todo/pools-splash-pads-tucson) and the Saddlebag Notes ThisIsTucson pool-roundup mirror. All data current as of May 19, 2026. This post is for informational purposes only and is not an offer to sell or a solicitation of an offer to purchase real estate.