Open through mid-October
We're not quite ready to let summer go — so we're not. The pool is heated, the afternoons are golden, and the gate stays open through mid-October.
The Club
Tucked into the heart of Tower Grove Heights, the Arsenal Aquatic Club is a thoughtfully designed retreat built around a heated, in-ground saltwater pool with a spacious tanning ledge — the kind of afternoon that feels like a boutique resort you didn't have to fly to.
Day Passes are made for adults who want to slow down: swim, lounge, and read in the sun without a crowd. We cap capacity on purpose, so there's always room to breathe. Come for the water, stay for the café lights.
Day Passes
Designed for adults looking to relax, unwind, and enjoy a boutique pool experience in the heart of St. Louis. Passes are intentionally limited each day — plenty of space to swim, lounge, and settle in. Available on select days through mid-October.
General Day Pass
A day at the pool
NO. AAC · SELECT DAYS · SHARED ACCESS
Enhance your visit
A cushioned lounger with umbrella and side table. Limited to four — first come, first served, so reserve ahead.
A dedicated space to stow your things while you're in the water. (Bring your own lock.)
Special drinks, snacks, and pop-up offerings that rotate through the season. Watch the calendar.
Café lights on, music low, seasonal drinks in hand — a relaxed social hour around the fire pit as the pool glows into the evening.
Start with a poolside flow, then stay for open swim once class winds down. A calm way to open the day.
Seasonal food and refreshments served by the water — long, unhurried mornings, no restaurant reservation required.
Rotating seasonal events and themed afternoons throughout the summer. There's always something new coming up.
The backyard
Private rentals
Celebrating something, or just gathering the people you like most? Book the backyard for up to 20 guests — a birthday, a shower, a team dinner, or one last big swim before the season closes. Dates are open through mid-October.
Book a private event →Your host
Banjo is the club's resident Bernese Mountain Dog and its most senior staff member. He runs a tight operation from his lounge chair in the shade, greets every guest at the gate, and works exclusively for treats.
Behind the scenes, his people keep the pool warm, the towels stocked, and the café lights glowing — and typically reply to messages within the hour.
On duty · Est. 2023 · Works for treats
Good to know
A private backyard that may be visible to neighbors and the main residence. Shared during day-pass hours; all yours on a private rental.
One more season in the sun
Open through mid-October for day passes on select days and private events. Tell us the day you have in mind and we'll take it from there.
Pool hours Noon – 5:00 PM · Select days through mid-October · 21+
Stay in the loop
New day-pass dates, Sunset Nights, and private-event openings go to the list first — for the rest of this season and all of the next.