Mayreau, Saint Vincent and the Grenadines offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mayreau is known for Saltwhistle Bay, a picturesque beach and popular anchorage spot for yachts. The best time to travel to Mayreau, Saint Vincent and the Grenadines, is from December to April, 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!