1. Andaman and Nicobar Islands (India): These islands are located in the eastern part of the Bay of Bengal and are a Union Territory of India. The Andaman and Nicobar Islands consist of two groups of islands: the Andaman Islands and the Nicobar Islands.
2. Sundarbans (Bangladesh and India): The Sundarbans is a mangrove forest that forms a natural region in the Bengal Delta. It spans across the Indian state of West Bengal and southern Bangladesh. While not exactly islands, the Sundarbans region consists of numerous small islands and channels.
3. Saint Martin's Island (Bangladesh): Saint Martin's Island is located in the Bay of Bengal and belongs to Bangladesh. It's a small, tropical island known for its picturesque beaches and coral reefs.
4. Dublar Char Island (Bangladesh): Dublar Char Island is located in the Bay of Bengal and is part of Bangladesh. It's a low-lying island formed by sediments deposited by the Meghna River.
5. Hatia Island (Bangladesh): Hatia Island is located in the Bay of Bengal and is part of Bangladesh. It's a large, densely populated island known for its agricultural activities.
Please note that these are just a few examples, and there are numerous other islands and island groups in the Bay of Bengal.