You have many natural palces along the Sakarya River. Some parts of Sakarya River is unbelievably clear. Especially, waves are sometimes so calm, sometimes extremely high at the beach. Karasu has long beaches. Also, sunset and waves sound make you impressive. Tracking is popular around the area to the natural forests, springs, streams and waterfalls.
Karasu has many small and nice hotels. Also, you can find many fantastic places to camp along the beaches. By morning, you would follow sun rising over the sea.