Sanchez, Dominican Republic offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Sanchez, Samana, Dominican Republic, is known for its proximity to Los Haitises National Park and the beautiful beaches of the Samana Peninsula. The best time to travel to Sanchez, Dominican Republic, is from December to April, with average air temperatures around 77-86°F (25-30°C) and water temperatures around 79-82°F (26-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!