Join hundreds of others in this chilly tradition on Sullivan’s Island benefiting Special Olympics South Carolina. Before diving into the frigid waters, enjoy drinks at Dunleavy’s Pub; after the soak, participants can warm up with drinks and hot food at several Middle Street restaurants. Dunleavy’s Pub, 2213 Middle St., Sullivan’s Island. Sunday, 9am start; 2pm plunge. Free. www.dunleavysonsullivans.com
