Are you looking for a hidden gem in Halong Bay? Allow me to introduce you to Cong Do Island, also known as “Red Drainage” in English. This small island, spanning approximately 24 square kilometers, offers a captivating adventure for nature enthusiasts and history buffs alike.
Fast Facts
Cong Do Island boasts a remarkable diversity of flora and fauna, just like its neighboring islands in Halong Bay. The lagoons surrounding the island are teeming with marine life, including squid, crab, various fish species, and underwater vegetation. It’s a haven for snorkelers and divers, beckoning you to explore its underwater world.

Activities
Excitement awaits you on Cong Do Island with a plethora of activities to choose from. Venture on a hike up the island’s colossal hill and be rewarded with breathtaking panoramic views that will leave you in awe. If you prefer a more leisurely experience, hop on a kayak and navigate through the island’s enchanting lagoons, immersing yourself in the tranquility of nature.
But that’s not all! The local government is currently exploring the development of scuba diving on Cong Do Island, adding another thrilling adventure to the list.
Unveiling History
For history aficionados, Cong Do Island holds a fascinating secret. Archaeologists have discovered remnants of an ancient port on the island, leading them to believe that it was once a significant hub in the Van Don’s port system. As you explore the island, let your imagination run wild as you envision the bustling maritime activities that once took place here.
Embark on a journey to Cong Do Island and unravel its hidden treasures. Whether you seek natural wonders or a glimpse into the past, this island promises an unforgettable experience. Plan your visit now and get ready to create lasting memories in this captivating destination.