The Wellesley Swimming Association is a family-oriented, not-for-profit private swimming club established in 1974 to provide an organized program of competitive swim training and team competition for boys and girls, ages 6-18. The Association, as members of the Winter Suburban Swim League, arranges for quality training facilities, coaching and swim meets from October through March.

Members represent a number of area towns. The WSA offers each member the opportunity for personal growth and development through participation in competitive swimming. Emphasis is placed on developing each athlete's: - knowledge and understanding of the sport of competitive swimming - stroke technique and efficiency - training procedures and self discipline - individual and team sportsmanship. 

The Wellesley Swimming Association, Inc is a not-for-profit organization that receives its funding primarily from the annual dues collected from team members. It is not affiliated with the Wellesley recreation department and receives no funding from the town of Wellesley. WSA is run by a volunteer Board of Directors comprised of parents of team members.