Guanaja, Honduras offers 12 beaches perfect for sunbathing, surfing, swimming, and more. Guanaja is known for its pristine coral reefs and the famous Michael's Rock dive site. The best time to travel to Guanaja, Honduras, is from February to April, with average air temperatures around 80°F (27°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!