Coetivy, Seychelles offers 1 beach perfect for sunbathing, surfing, swimming, and more. Coetivy, Coetivy is known for its exclusive private island experience and conservation efforts in Seychelles. The best time to travel to Coetivy, Seychelles, is from April to May, with average air temperatures around 28°C (82°F) and water temperatures about 29°C (84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!