Keramat, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Keramat, Gorontalo, Indonesia, is known for the Keramat Luhu Beach and the nearby Olele Marine Park. The best time to travel to Keramat, Indonesia, is from May to September, with average air temperatures around 27°C (81°F) and water temperatures near 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!