Hours: Tours depart daily beginning at 9:30 a.m., May-Oct.; Sat.-Sun. at 9:30, mid-Mar through Apr. 30 and in Nov. (weather permitting). Water taxis operate daily 10-6:30 (also Sat.-Sun. 6:30-8 p.m.), Memorial Day-Labor Day; Sat.-Sun. 10-6:30, May 1-day before Memorial Day and day after Labor Day-Sept. 30. Phone ahead to confirm schedule.