Along with individual sculptures dotted around, there are also entire sculpture parks and museums underwater
Christ the Abyss: Key Largo, Florida
Christ of the Abyss is a submerged bronze statue of Jesus Christ, the original of which was place in the Mediterranean Sea by the Italian Riviera in 1954. Various other casts of the statue are located in other places worldwide but this particular one one was presented to the Underwater Society of America in New York in 1962. In 1965 it was placed in water off the coast of Key Largo, Florida.
Amphitrite, the underwater mermaid statue: Grand Cayman island
Amphitrite is the name of this 9 feet tall, 600-pound bronze mermaid statue by Simon Morris. It was placed in fifty feet of water off the beach at Sunset House on Grand Cayman Island in October 2000.
The Molinere Underwater Sculpture Park: Grenada, West Indies
The Molinere Underwater Sculpture Park is a collection of ecological underwater statues located in the Caribbean ocean off the west coast of Grenada in the West Indies. They were created by British sculptor Jason deCaires Taylor. It opened in May 2006 and was the world's first underwater sculpture park. Taylor′s aim was to engage local people with the underwater environment using life casts of themselves. The public can visit the park by snorkeling, scuba diving or by glass-bottom boat.
Cancun Underwater Museum: Cancun, Mexico
Cancun Underwater Museum is another a series of sculptures by British artist Jason deCaires Taylor and were placed underwater off the coast of Isla de Mujeres and Cancún, Mexico. The project began in November 2009, with a planned placement of up to 400 statues in the shallow waters of the Cancún National Marine Park. The sculptures are made to resemble members of the local community and the artist planned for the sculptures to become artificial reefs.