Plum Mitan, Trinidad and Tobago offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Plum Mitan, Sangre Grande, Trinidad and Tobago, is known for the Nariva Swamp, a significant wetland and wildlife sanctuary. The best time to travel to Plum Mitan, Trinidad and Tobago, is from January to May, 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!