Ruth Island (also known as Ruth Cay) is an artificial island off the southern coast of

Saint Croix, U.S. Virgin Islands Saint Croix; nl, Sint-Kruis; french: link=no, Sainte-Croix; Danish and no, Sankt Croix, Taino: ''Ay Ay'' ( ) is an island in the Caribbean Sea, and a county and constituent district of the United States Virgin Islands (USVI), an unincor ...

near Port Alucroix. It was created in the mid-1960s from the dredging of ''Krauses Lagune'' and is about 40 acres (16 ha). Because the island is free of small Indian mongooses ('' Urva auropunctata'') biologists introduced the endangered Saint Croix ground lizard (''Pholidoscelis polops'') from the Protestant Cay population. Today there are about 30 ground lizards on Ruth Island.

References

Artificial islands of the United States Islands of the United States Virgin Islands Uninhabited islands of the United States Virgin Islands 1960s establishments in the United States Virgin Islands {{USVirginIslands-geo-stub