Kel. Mautapaga, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kel. Mautapaga, Nusa Tenggara Timur, Indonesia, is known for its proximity to the stunning natural landscapes of Flores Island, including Kelimutu National Park and its famous tri-colored crater lakes. The best time to travel to Kel. Mautapaga, Indonesia, is from May to September, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!