This dive site is at the edge of Congo River. As a result, Tiwi is an occasional dive site. It becomes ready for diving at given times of the year.
There is a wall dive with hard and soft coral reefs and is about 14 meters. Also, Tiwi offers a natural tunnel and overhangs. On average, you can dive about 14 meters. The recorded depth range is 3 to 28 meters. Tiwi is a shelter to plenty of sea creatures: Triggerfish, sweetlips, nudibranch, barracuda and moray eel.