The Bakkhali Crocodile Project is a small wildlife stop near the beach resort, focused on crocodile conservation rather than spectacle. It is not polished, and it should not be confused with a major zoo, but it adds a different note to a place many travellers visit mainly for sand and sea air.
Treat it as a short detour, especially if you are already exploring beyond the main beach. The best reason to go is local context: Bakkhali sits in a coastal, mangrove-influenced landscape where reptiles and estuarine life are part of the wider ecology.