Mercerwood Shore Club is a family-oriented swim, tennis and beach club on the northeastern shore of Mercer Island, offering

• A 25-meter outdoor pool, 1-meter and 3-meter diving boards. The pool is available for year-round use. Programs include summer swim, water polo, and dive teams, winter swim team, and swim lessons and Masters programs all year.
• Fitness equipment, with newly-acquired state-of-the-art cardio and weight-lifting equipment, and classes including cardio, yoga, aerobics, Pilates and weight training.
• A 500 foot Lake Washington beach front, with a sandy beach, diving raft, a grassy picnic area, a play area with a “big toy”, basketball and volleyball courts, and a boat dock.
• 4 year-round outdoor tennis courts. Summer programs include lessons for all ages, youth teams, ladies' day, mixed doubles nights, and more.