Dhonkalo Thila, a dive site better known as the Manta Ray Car Wash is located in the channel between Maalhos and Himendhoo . It is rated as the top site for Manta rays in the Maldives.
Mantas are regularly seen during the north-east monsoon season at around 22 - 25 meters. Mantas are filter feeders, they feed on plankton, fish larvae .Whale sharks have been often sighted in Himendhoo Kandu. The top of the thila is from 10 - 14 meters sloping down to 25 meters sandy bottom.
| Location: | Between Maalhos and Himendhoo |
| Average visibility: | 15 - 25 meters |
| Depth of reef: | 7 - 35 meters |
| Features: | Manta mobulas, Pelagics, Small fishes |
| Best time to dive: | All year round |
