1. Diving to see coral reefs
Under the water around the island, there are a lot of red coral reefs with varied rare sea creatures such as abalone, pearl, lobster and colourful flocks of fishes. Diving into the sea, you will be amazed by the fantastic undersea beauty. You can have the insight from local people to see which is the best spot for diving as not all places in and around Cat Ba Island have truly clear water suitable for diving and snorkelling.
2. Sight seeing from Cannon Fort
Not far from the central of Cat Ba town is Cannon Fort. It is an interesting historical sight. The fort is located on the top of mountain, so you can have an impressed view to see everything from high distance. Cannon Fort is also a perfect place to see sunset.
3. Visiting Lan Ha Bay
Lan Ha Bay is similar to Halong Bay but a bit more pristine. Here, you can swim on small sandy beaches, sit on the boat for sightseeing and visiting caves, go kayaking, visiting local floating village where you can fishing and exploring pearl-making.