The best time to visit Long Island, Seychelles, is during the shoulder seasons of April to May or October to November, which generally offer the most pleasant weather conditions.These months typically avoid the strongest trade winds, providing calmer seas that are ideal for water activities like snorkelling, diving, and boat trips around the archipelago. You'll find the weather warm and sunny, superb for relaxing on the beaches or exploring the island's natural beauty. These periods also tend to be less crowded than the peak summer months, offering a more tranquil experience.For those looking to enjoy the island's natural marine life, especially diving and snorkelling, the calm waters and excellent visibility during these shoulder seasons make them particularly appealing.