Prinz Valdemar

Prinz Valdemar was sold to an American company and briefly used to haul coconuts from Nicaragua.

[6] Railroads had already begun raising shipping rates in response to the strain created by the population boom, and when the sea route to Miami was blocked the city's image as a tropical paradise began to crumble.

During World War II, it served as a recreation facility for U.S. Navy petty officers.

After the war, the aquarium continued to operate out of the vessel until the city declined to renew its lease in 1949–50.

The vessel was dismantled in November and December 1952, and was described by the Associated Press in mid-December as "a heap of twisted metal on the edge of palm-lined Biscayne Boulevard".