Located in the East of Cat Ba Island is the Ao Ech area – a small pristine area belonged to Lan Ha Bay. The word “Ao Ech” means Frog Pond or Frog Lake but it actually does not have any for living there. As a sea area stays inside Lan Ha Bay, Ao Ech is famous for its unspoiled natural beauty with poetic and charming scenery, covered by many rocky karst mountains – the special geological that can be found only in Lan Ha and its brothers bay like Halong Bay and Bai Tu Long Bay. Ao Ech is an ideal place for water sports, especially kayaking. Exploring the Ao Ech area by kayak will bring new experiences that cruising cannot provide.