Departs from dock (rain or shine) at 8749 Berry Ave., Port Norris. 6 p.m. Observe hundreds of thousands of purple martins that gather in the wetlands as they prepare to cross the Gulf of Mexico on their migration to South America. Boat cruise is approximately three hours long. Reservations required. Seating is limited to 65 passengers. $65 per person; 856-300-5331 or via e-mail to [email protected].