Ross Atoll Ross Atoll Ross Atoll is a small atoll in the Admiralty Chart with an almost round lagoon. It is located at about five miles from the Northeast point of Ari Atoll. The northern and western sides form one continuous barrier reef, and the eastern side is another barrier reef. The four mile wide lagoon has soundings from 15 to 20 fathoms (27 to 37 m) and abounds in detached coral patches. This natural atoll was named Ross Atoll by Captain Robert Moresby during his survey of the Maldive Islands. It was named after Captain Daniel Ross of the Bombay Navy,
Kolhumadulu Atoll Kolhumadulu Atoll Kolhumadulu Atoll (also known as Thaa Atoll) is an administrative division of the Maldives. It corresponds to the natural atoll of the same name. The ancient name of the island was Kolhumaduva during the time of King Koimala who united all atolls of the Maldives under one kingdom for the first time. Traditionally, Maldivians call this atoll simply Kolhumadulu, without adding the word "atholhu" at the end. Thaa is the code letters assigned to the atoll and is sometimes used by tourists to refer to the atoll itself. The waters surrounding this atoll are good fishing areas and