Patenga Sea Beach : It is a natural beauty spot. Here is the confluence of the river Karnaphuli and the Bay of Bengal. The beach has been protected from erosion by the bay with help of boulders. There is the sandy beach from which one can find the waters of the bay. Visitors can have a view of the bay sitting on the heaps of boulders, walk along the sandy beach or can enjoy the illusive touch of the little of the setting sun. The beach is stressed up to 22km. It is 20 km. away from the Zero Point. The natural beauty of Patenga sea beach attracts thousands of visitors almost daily.