An Introduction to Cat Ong Island
Cat Ong Island is a charming, intimate isle nestled within the Cat Ba Archipelago in Cat Hai District, Hai Phong City. It has become a magnet for both domestic and international travelers, drawn by its pristine, rustic allure. The island’s name is inextricably linked to Cat Ba. According to local folklore, “Cat Ba” (meaning ‘Ladies’ Island’) refers to the place where women handled the logistics to support the war effort, while “Cat Ong” (meaning ‘Gentlemen’s Island’) served as the station for the men engaged in battle. The names are modern adaptations of these historical terms.

Cat Ong Island
Cat Ong Island boasts a raw, untouched natural landscape characterized by poetic mountains, lush greenery, and rolling peaks that reflect beautifully upon the crystal-clear waters. The climate here is cool, temperate, and refreshing. A visit to Cat Ong allows travelers to immerse themselves in a serene, romantic atmosphere, providing a perfect sanctuary for those looking to escape the hustle and bustle of modern life in favor of total peace.
How to reach Cat Ong Island
Cat Ong Island is a stunning, small island within the Cat Ba Archipelago, Cat Hai District, Hai Phong. It offers visitors unforgettable experiences, blending the untamed beauty of its forests and sea with a variety of engaging activities. To reach Cat Ong Island, visitors must first arrive in Cat Ba.
How to explore Cat Ong
From Cat Ba, visitors can explore Cat Ong via a Lan Ha Bay sightseeing tour (Route 4) as a day trip, or by choosing an overnight cruise in the bay.
- Itinerary: Cat Ba Tourist Center Pier – Cat Ong Island – Thien Ung Pagoda – Cat Ba Tourist Center Pier.
- Half-day (4-hour) Lan Ha Bay charter rates:
– Groups of 10 – 20 guests: 2,500,000 VND – 3,500,000 VND/boat/session.
– Groups of 25 – 50 guests: 3,800,000 VND – 5,500,000 VND/boat/session.
What to do on Cat Ong Island?
Spanning a mere 45 hectares, Cat Ong Island possesses a majestic and enchanting allure. Here, you will behold towering limestone karsts cloaked in lush greenery, perfectly mirrored in the turquoise, crystalline waters below. Beneath the surface, you are invited to explore vibrant, kaleidoscopic coral reefs that serve as a sanctuary for a myriad of rare marine species.

Cat Ong Island
Upon arriving at Cat Ong Island, you will immediately be embraced by its pristine, refreshing atmosphere. Wander along the silky white sands, listening to the gentle murmur of the waves and the rhythmic whispering of the ocean breeze. You might also find yourself gathering glistening seashells along the shore—perfect keepsakes or thoughtful gifts for your loved ones back home.
For those seeking a stay that balances comfort with an intimate connection to nature, the island’s charming bungalows are an ideal choice. Crafted from locally sourced, sustainable materials such as wood, bamboo, and thatch, these dwellings appear as delightful, rustic accents against the sweeping backdrop of the beach.

Charming bungalows on Cat Ong Island
Cat Ong Island is also a magnificent destination for recreation and discovery. Whether you wish to swim in the azure sea, snorkel among the reefs, or paddle a kayak through hidden coves, the options are endless. For the adventurous, hiking and rock climbing trails offer breathtaking panoramic views of the entire island.
As one of the few islands that has remained largely untouched by mass tourism, Cat Ong retains its original, rugged beauty. A visit to Cat Ong offers a rare opportunity to experience a serene and simple way of life, profoundly connected to the natural world. It is an unmissable destination for any traveler exploring the Hai Phong region.