Nantucket Community Sailing. Renting sailboats, sailboards, and kayaks at Jetties Beach, NCS also offers youth and adult sailing classes and water-sport clinics for disabled athletes. Its Outrigger Canoe Club—a Polynesian tradition—heads out several evenings a week in season. Jetties Beach, Bathing Beach Rd., Nantucket Town, MA, 02554. 508/228–6600. www.nantucketcommunitysailing.org.