The Dolphin Swimming & Boating Club is a nonprofit organization that features a range of amenities. Founded in 1877, it has a membership of more than 850 men and women. The club maintains boathouses, locker rooms, lounge areas and shower facilities. The Dolphin Swimming & Boating Club operates a weight room that is equipped with pulleys and exercise bikes. It maintains a fleet of over 15 rowboats. The club organizes various rowing and swimming activities. The Dolphin Swimming & Boating Club operates Aquatic Park, as well as hosts a variety of social events. The club also maintains a rowing facility at Lake Merced.