July 21 Lighthouse Adventure Cruise, 7:45 a.m.-4:30 p.m., Southern route, meet at Calvert Marine Museum, Solomons, Md., under the Drum Point Lighthouse. Cost, $130 for the day-long trip, $120 for members, does not include lunch at Bayside Inn on Smith Island. Pre-registration required. (410) 326-2042 ext. 41. www.calvertmarinemuseum.com