Baa Atoll surface. The atoll is formed by 105 coral reefs, representing a reef surface of 263 km. These reef surface in 61 islands provided with vegetation, and a variable number of sandy cays (between 4 and 14). Half (38) of these islands are less than 10 hectares, constituting less than 20% of the atoll lands. The biggest island is Dharavandhoo (45,5 ha), followed by Kunfunadhoo (35 ha). The highest point, difficult to establish, can be situated in Funadhoo, with 3,19 m over the sea level. Maalhosmadulu Atoll is also considered as a good example of the rich biodiversity found in the
Raa Atoll the geographical and cultural point of view. However, they have become popular among tourists and foreigners in the Maldives who find them easier to pronounce than the true atoll names in Dhivehi, (save a few exceptions, like Ari Atoll)." Alifushi, located at the northern end of the atoll, is an island which has been traditionally famous for its skilled boatbuilding carpenters. It now houses shipyards. Hanikandu is the channel between Northern Maalhosmadulu Atoll and "Fasdhūtere" Atoll, beyond its southern border. This channel is also known as Moresby Channel in the honor of Robert Moresby, an almost forgotten captain and draughtsman,