The Winchester Swim and Tennis Club (WSTC) is a private club. Membership is through application, current member sponsorship and an initiation fee. Membership slots become available through members' resignation. There is a waiting list.
WSTC members have access to an Olympic-sized swimming pool and a kiddie pool. Pools are available for open swim, swimming lessons and the children, teen and adult swim teams. WSTC has five tennis courts and an electric ball machine for stroke practice. The club offers junior and adult tennis lessons, leagues and tournaments. Additional facilities on-site, include a snack bar, locker rooms and basketball courts.
WSTC also hosts occasional social events for adults, children and families. The calender of events is available to current members.