Mortlock Islands can refer to:
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Nomoi Islands
The Nomoi Islands, also known as the Mortlock Islands, are a group of three atolls in the state of Chuuk, Federated States of Micronesia. They are located about southeast of Chuuk Lagoon.
Islands
The Mortlock Islands are Ettal, Namoluk, Ta, ...
, a group of three large atolls in the state of Chuuk, Federated States of Micronesia
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Takuu Atoll, a Melanesian outlier atoll northeast of Bougainville, Papua New Guinea
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