Hours: Forty-five-minute cruises depart Mon.-Thurs. at 1, 3 and 4, Fri.-Sun. on the hour 1-6 (also Sat.-Sun. and holidays at noon and 7 p.m.), late May-early Sept.; Mon.-Thurs. at 1 and 3, Fri.-Sun. on the hour 1-6 (also Sat.-Sun. and holidays at noon), mid-Apr. to late May and early Sept. to mid-Oct. Ninety-minute cruise departs Fri. at 7, mid-Apr. to mid-Oct. Phone ahead to confirm schedule.