Back Bay National Wildlife Refuge Apr.-Oct. $5 (per private vehicle); $2 (per person arriving by other means). Refuge rest of year free. Little Island Park Memorial Day weekend-Labor Day $5 (per private vehicle). Little Island Park rest of year free. Blue Goose Express tram $8; $6 (ages 3-12, ages 62+ and military with ID); cash or check only. Tram seating is first-come, first-served. Terra Gator $8. Reservations are required.
Grounds daily dawn-dusk. Blue Goose Express tram departs daily at 9, Memorial Day-Labor Day; Fri.-Sun. at 9, Apr. 1-day before Memorial Day and day after Labor Day-Oct. 31; schedule varies rest of year. Terra Gator departs Sat.-Sun. at 9, Nov.-Mar. Closed major holidays.