Eighteen miles south of St. Augustine, Fla. is a brand new town, Marineland, where last week Marine Studios, Inc. opened a mammoth, $500,000 aquarium. Surrounded by palmetto trees and tropical shrubbery, the aquarium, world's largest, consists of two adjacent, open-air, steel and concrete tanks. The larger one is rectangular—100 by 40 ft. and 18 ft. deep; the other, an 11-ft.-deep, circular tank, is 75 ft. in diameter. Along the walls of both tanks are some 200 portholes.
Inside are coral gardens, reefs and jutting shelves to protect smaller fish from their predatory neighbors. Already...