Founded in 1967, Mercer Island Country Club features a swimming pool, fitness studio, upper and lower lounges and courtyard patios. The club has a tennis court and a local tennis professional who provides tennis lessons for adults and children. Mercer Island Country Club offers a variety of aquatic programs, including swim/dive/water polo teams for youths and private/group swim lessons. It employs a staff of trained lifeguards who offer swimming lessons during the summer months. Mercer Island Country Club has fitness rooms that are equipped with treadmills, elliptical bikes and stair steppers and free weights. It conducts classes in aerobics and yoga. The club is located in Mercer Island, Wash.