Ruth Island (also known as Ruth Cay) is an artificial island off the southern coast of Saint Croix, U.S. Virgin Islands near Port Alucroix. It was created in the mid-1960s from the dredging of Krauses Lagune and is about 40 acres (16 ha).

Ruth Island
Ruth Island is located in the U.S. Virgin Islands
Ruth Island
Ruth Island
Location in the Caribbean
Ruth Island is located in Caribbean
Ruth Island
Ruth Island
Ruth Island (Caribbean)
LocationCaribbean Sea
Coordinates17°41′1″N 64°45′43″W / 17.68361°N 64.76194°W / 17.68361; -64.76194
Area40 acres (16 ha)
Federal DepartmentU.S. Department of the Interior
Federal AgencyU.S. Fish and Wildlife Service
Capital cityWashington, D.C.
Largest settlementNew York City
PresidentJoseph R. Biden

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.[1]


  1. ^ U.S. Fish & Wildlife Service. "Endangered Species Bulletin, August 2005" (PDF). Archived from the original (PDF) on September 2, 2006. Retrieved September 25, 2006.