Oroluk Atoll is believed to have been first discovered and named by navigators from Namoluk Island in the Mortlock Islands.
Midway Atoll | Kwajalein Atoll | Rongelap Atoll | Johnston Atoll | Utirik Atoll | atoll | Ailinginae Atoll | Palmyra Atoll | Enewetak Atoll | Bikini Atoll | Haa Alif Atoll | Addu Atoll | Shaviyani Atoll | Rongerik Atoll | Rocas Atoll | Mili Atoll | Malé Atoll | Ailinglaplap Atoll | Thaa Atoll | Kaafu Atoll | Johnston Atoll Airport | Jaluit Atoll | Gnaviyani Atoll | Aur Atoll | Ari Atoll |