Chhera island (Bengali: Chhera Dwip), also called Cheradia Island or Cheridia Island, is an extension of St. Martin's Island in Bangladesh, but cut off from it by sea during high tides. During low tide period, the Chhera island can be reached by walking for about two and a half hours from St. Martin's Island. The most popular way of getting there is by motorboat.
- "Visit Chhera Island of Bangladesh and watch broken and unbroken corals and enjoy". Archived from the original on 2013-04-28. Retrieved 2013-02-01.