United States Masters Swimming (USMS) exists to promote fitness and health in adults by offering and supporting Masters Swimming programs. USMS was founded in 1970 and currently has over 43,000 members. It supports and encourages competition, but more than half of its members are fitness swimmers who do not compete. USMS is one of five organizations which comprise "United States Aquatic Sports", which is a member of FINA, the international governing body for aquatic sports.

The Southeastern LMSC is comprised of the states of ALABAMA, TENNESSEE and the FLORIDA Panhandle including the counties of Escambia, Santa Rosa, Okaloosa, Walton, Holmes, Washington, and Bay, and that part of Jackson and Calhoun counties west of the Apalachicola River.
Current Membership is 497 members, 32 Clubs