Everyone is welcome! Join the J and You Get…
Why Join the J?
- Mercer Island’s Largest Fitness Center: Easy check-in, more room to move, and less time waiting.
- Convenient Location: Just 10–20 minutes from Downtown Seattle, Bellevue, and Issaquah with quick access to I-90 and ample parking.
- Everyone is welcome. You don’t have to be Jewish to join the J. Jewish values are universal values.
Fitness Designed for You
- All-New TRUE® Apex Cardio Machines: Smartly designed for comfort, performance, and results.
- Full Strength-Training Amenities: Free weights, progressive machines, and a dedicated weight room for all experience levels.
- Certified Personal Trainers: Individualized coaching to help you reach your goals.
- 40+ Weekly Group Fitness Classes: Yoga, HIRT, Aqua Fit and more—an excellent lineup of classes for adults of all ages and fitness levels. Expanded classes coming in 2026!
Spaces to Move, Play + Recover
- Courts for Every Game: Basketball, racquetball, and pickleball available throughout the week.
- Thoughtful Locker Room Options: Separate adult and family locker rooms with day-use and long-term lockers, plus free towel service.
- Recovery Amenities: Saunas and steam rooms to help you unwind after your workout.
Aquatics for All Ages
- Certified Lifeguards Always on Duty: Safety and support every hour the pool is open.
- Heated Indoor Pool: Daily lap swim and family swim times.
- Swim Lessons for Every Stage: From infants to teens to adults, we help swimmers grow in confidence and skill.
- Novice Swim Team: Build stroke competency in a supportive and inclusive environment.
Member Perks
- Discounts: J members enjoy exclusive discounts on special programs and events, including the J’s summer softball league, holiday celebrations, and more.
- Families Discounts: Those with an active family membership receive priority registration and membership discounts for Summer J Camp, Kidstown, swim lessons and more.
- Guest Access: Get five free guest passes each year.
Welcome to the J—where Greater Seattle comes to move, play, and learn.
Not Sure? Give Us a Try!
Visit with a day pass!
$15 per person
Want to check out the J for the day? Individual day passes are back! Swim, use the fitness center, hit the racquetball court, and more. Individual passes cost $15 per day and all guests must sign a waiver.
