off the coast of Georgia in Glynn County

Jekyll Island is located off the coast of Georgia, in Glynn County.

a real island, off the coast of Georgia, not the former Soviet Union’s Georgia

But Jekyll Island is a real island, off the coast of Georgia, not the former Soviet Union’s Georgia, but the United States’ southeastern state of Georgia, the `last of the orginal Thirteen Colonies’ which, as American history books inform us, was restored to the Union, in July 1870.

off the Coast of Georgia on the American East Coast

Jekyll Island is off the Coast of Georgia, on the American East Coast.

one of many barrier islands off the coast of Georgia

Jekyll Island is one of many barrier islands off the coast of Georgia.