Dolphin Cruise from The Florida Aquarium in Tampa Bay. The Florida Aquarium in Tampa Bay is offering cruises aboard a 72-foot, 130-passenger catamaran, officially named Bay Spirit II. The Aquarium has partnered with the Tampa Port Authority in order to bring this important project to life. Also included is admission to the Florida Aquarium. Dolphin Cruise from The Florida Aquarium in Tampa Bay. Board the 72-foot, 130-passenger catamaran and head out on the Bay to see these incredible animals. Admission to the Florida Aquarium. Tampa Bay is home to over 400 bottlenose dolphins. One of the best places in Florida to view birds and an abundance of native fish. Book now and Save 6%: Dolphin Cruise from The Florida Aquarium in Tampa Bay.