Travelers on the Chhera Island- Chera dip is now a popular tourist attraction among Bangladesh visitors. It is a part of St.Martin's Island of Bangladesh. The dip becomes isolated during tides. You can go there by walking during low tide and it will takes about 2 hours. You can also hire a local boat or a speedboat to reach the dip. There are a lots of coral over the island. Only two family live there. Tourists usually go there in the morning and return to the main island in the evening..