Make waves to fight cancer during this fundraiser hosted by Swim Across America. Participate in a half-mile or a one-and-a-half-mile open water swim or a same day pool option, then stick around for an after party with Olympic swimmers, including eight-time gold medalist and Daniel Island resident Jenny Thompson. Proceeds benefit the Hollings Cancer Center. Kiawah Island Golf Resort, 1 Sanctuary Beach Dr., Kiawah Island. Saturday, 6:30am-noon. Free, donations encouraged. www.swimacrossamerica.org/charleston
