St. Martin 's Island St. Martin 's Island ( ) is a small island ( area only 8 km2 ) in the northeastern part of the Bay of Bengal , about 9 km south of the tip of the Cox 's Bazar-Teknaf peninsula , and forming the southernmost part of Bangladesh .
St. Martin 's Island St. Martin 's Island is a small island ( about 8 square kilometres ) in the northeastern part of the Bay of Bengal . It is about 9 km south of the tip of the Cox 's Bazar-Teknaf peninsula , and forms the southernmost part of Bangladesh .