Underwater Research Station, Mariana County

The Underwater Research Station, known as Aquarius Research Station, is located in Mariana County. It is located in Key Largo, Florida, United States. The nearest real landmark in Florida is Aquarius Reef Base (about 0.0 km): The Aquarius Reef Base is an underwater habitat located 5.4 mi (8.7 km) off Key Largo in the Florida Keys National Marine Sanctuary, Florida, United States. It is the world's only undersea research laboratory and it is operated by Florida International University. It is deployed on the ocean floor 62 ft (19 m) (19 m) below the surface and next to a deep coral reef named Conch Reef.