Ko Mak, Thailand offers 12 beaches perfect for sunbathing, surfing, swimming, and more. Ko Mak is known for its pristine beaches and the Ko Mak Museum. The best time to travel to Ko Mak, Thailand, is between November and February, when the average air temperature is around 28°C (82°F) and the water temperature is approximately 27°C (81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!