The two crossword solutions for the term 'Saint ___ (Caribbean Island)' are Saint Lucia and Saint Kitts. Saint Lucia is an island nation in the Caribbean Sea, located north of Trinidad and Tobago and south of Martinique. It is part of the Lesser Antilles and is known for its mountainous terrain and beautiful beaches. Saint Kitts is an island in the Caribbean Sea, located southeast of Puerto Rico and northwest of Guadeloupe. It is part of the Leeward Islands and is known for its lush rainforest and diverse wildlife.