Less visited than other areas in the region, the Southern Caribbean has expansive natural beauty and gorgeous scenery. Popular islands include the French West Indies (Martinique, Guadalupe and St. Bart's), lush St. Lucia, Dominica, and Grenada, and the sandy ABCs (Aruba, Bonaire and Curacao). With Barbados and Puerto Rico as main embarkation ports, your cruise vacation begins before you even board the ship.