Smugglers Cove, Saint Lucia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Smugglers Cove, Gros Islet, Saint Lucia, is known for its luxurious all-inclusive resorts and picturesque beaches. The best time to travel to Smugglers Cove, Saint Lucia, is from December to April, with average air temperatures around 80°F (27°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!