Summer Swimming: Outdoor Pools and Water Parks in Seattle, Tacoma and Beyond

Colman Pool, West Seattle

Open: Daily, June 16–Sept. 1, 2025; weekends only, Sept. 6–14, 2025

Water temp: 85 degrees

Overview: Overlooking the beach in lovely Lincoln Park in West Seattle, this Olympic-size saltwater pool features a diving board (closed Fridays) and 50-meter swim lanes. Pool toys like water noodles and mats are available. The corkscrew slide is only open on Fridays and during pool rental times. There is a cost to use the slide. Important note: There is no wading area for tots. 

Tips: Colman is a popular swim destination that sells out on hot days. Come early to purchase your swim admission. This pool requires admission for everyone entering, even if not swimming. A deep-water swim test is required for everyone younger than age 18. A modified swim test is allowed with a personal flotation device (life jacket). Note: Pool visitors need to make a short stroll through Lincoln Park to reach the pool.

Reservations: Sign up for swim lessons or book a party rental online. If you have questions, call 206-684-7494.

Mounger Pool, Magnolia

Open: Daily, June 23–Sept. 1, 2025

Water temp: 85 degrees (big pool); 88 degrees (little pool)  

Overview: Popular Lowery C. “Pop” Mounger Pool is actually two pools: a larger, deeper pool with a 50-foot corkscrew tube slide, and a separate shallow pool for young kids. For tots: Check out Pool Playland, a “gentle” public swim that takes place in the small pool only (daily from 10:30–11:30 a.m., see the website schedule for additional times), and is for children ages 5 and younger. The pool also hosts a special swim time for children with sensory processing disorders, in the small pool on Fridays from 11:45 a.m. to 12:45 p.m. An adult age 18 or older must accompany all children in the water. 

Tips: This pool is also very popular and sells out on hot days, so come early. Mounger Pool has a fixed shade structure.

Reservations: Sign up for swim lessons online or book a party rental by calling 206-684-4708.

Yost Pool, Edmonds

Open: The year-round pool runs a summer schedule, June 23–Sept. 5, 2025

Water temp: 80–83 degrees

Overview: Set in one of Edmonds’ loveliest, shadiest parks, this popular pool is run by the Cascade Swim Club. In addition to swim lessons and swim team opportunities, Yost Pool hosts summer open swim Monday–Friday, from 1:15–3:15 p.m. and several sessions on the weekends. Note: There is no separate shallow area for toddlers.

Tips: Consider the individual or family punch passes if you want to spend multiple days by the pool. Yost Park is also worth exploring, with shady forest trails, a creek, a basketball court and a playground. 

Next up: Eastside outdoor swimming pools