Saint Martin Dwip, Bangladesh offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dassia, Ionian Islands, Greece, is known for its beautiful beaches and luxury resorts. The best time to travel to Saint Martin Dwip, Bangladesh, is from November to February, with average air temperatures around 25°C (77°F) and water temperatures near 26°C (79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!