The best time to go to Mamula Island is during the shoulder seasons of May, June, September, and early October. These months offer pleasant weather, ideal for enjoying the island's outdoor activities and amenities without the peak summer crowds.During these shoulder months, the sea temperatures are comfortable for swimming and water sports, and the island's restaurants and facilities are fully operational. Travelers looking for a relaxing getaway will appreciate the quieter atmosphere, allowing for a more serene experience of the island's natural beauty and historic setting.July and August are also suitable for a visit, particularly for those who enjoy warmer temperatures and a livelier atmosphere. While these months are the busiest, the island manages to maintain a sense of exclusivity, making it a good option for couples seeking a romantic escape with guaranteed sunshine and vibrant evening options.