Mercer Island Beach Club (MIBC) is a recreational and social private membership club (500 families) located on the south end of Mercer Island. Founded in 1953, the Beach Club features a competition-sized pool, six outdoor tennis courts, a large fitness center, a marina, an indoor/outdoor clubhouse event space, and a grilling and picnic area, all with an unmatched view of Mt. Rainier and Lake Washington.