Corinth, Saint Lucia offers 12 beaches perfect for sunbathing, surfing, swimming, and more. Gros Islet, Saint Lucia, is known for its vibrant Friday Night Street Party and the nearby Pigeon Island National Landmark. The best time to travel to Corinth, Saint Lucia, is from December to April, with average air temperatures around 77-86°F (25-30°C) and water temperatures near 79-82°F (26-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!