Having approximately 400 small and large islands, mysteriously covered with green trees and vegetation, Lan Ha Bay features a peaceful beauty of all Halong Bay attractions. Limestone makes up a huge part for the small islets in this bay. If you are a person who loves marine sports, then Lan Ha Bay is your ideal choice. The calm water here is suitable for kayaking and swimming, especially around Cu islet, Sen Islet, and Money Islet. Stalactite caves like Do Cung (Dõ Cùng), Ham Rong (Hàm Rồng) or beaches at Cat Dua (Cát Dứa) beach, Tung Gau (Tùng Gấu) Cave, are some of the natural Halong Bay attractions, in general, and Lan Ha Bay attractions, in particular.