| Rank | Country | highest point | Elevation extremes |
233 | Anguilla | 65 | lowest point: Caribbean Sea 0 m highest point: Crocus Hill 65 m |
234 | Bahamas, The | 63 | lowest point: Atlantic Ocean 0 m highest point: Mount Alvernia, on Cat Island 63 m |
235 | Nauru | 61 | lowest point: Pacific Ocean 0 m highest point: unnamed location along plateau rim 61 m |
236 | Gambia, The | 53 | lowest point: Atlantic Ocean 0 m highest point: unnamed location 53 m |
237 | Turks and Caicos Islands | 49 | lowest point: Caribbean Sea 0 m highest point: Blue Hills 49 m |
238 | Cayman Islands | 43 | lowest point: Caribbean Sea 0 m highest point: The Bluff (Cayman Brac) 43 m |
239 | Clipperton Island | 29 | lowest point: Pacific Ocean 0 m highest point: Rocher Clipperton 29 m |
240 | British Indian Ocean Territory | 15 | lowest point: Indian Ocean 0 m highest point: unnamed location on Diego Garcia 15 m |
241 | Paracel Islands | 14 | lowest point: South China Sea 0 m highest point: unnamed location on Rocky Island 14 m |
242 | Marshall Islands | 10 | lowest point: Pacific Ocean 0 m highest point: unnamed location on Likiep 10 m |
243 | Coral Sea Islands | 6 | lowest point: Pacific Ocean 0 m highest point: unnamed location on Cato Island 6 m |
244 | Wake Island | 6 | lowest point: Pacific Ocean 0 m highest point: unnamed location 6 m |
245 | Cocos (Keeling) Islands | 5 | lowest point: Indian Ocean 0 m highest point: unnamed location 5 m |
246 | Tokelau | 5 | lowest point: Pacific Ocean 0 m highest point: unnamed location 5 m |
247 | Tuvalu | 5 | lowest point: Pacific Ocean 0 m highest point: unnamed location 5 m |
248 | Spratly Islands | 4 | lowest point: South China Sea 0 m highest point: unnamed location on Southwest Cay 4 m |
249 | Ashmore and Cartier Islands | 3 | lowest point: Indian Ocean 0 m highest point: unnamed location 3 m |
250 | Maldives | 2.4 | lowest point: Indian Ocean 0 m highest point: unnamed location on Wilingili island in the Addu Atoll 2.4 m |
251 | Arctic Ocean | 0 | lowest point: Fram Basin -4,665 m highest point: sea level 0 m |
252 | Atlantic Ocean | 0 | lowest point: Milwaukee Deep in the Puerto Rico Trench -8,605 m highest point: sea level 0 m |
253 | Indian Ocean | 0 | lowest point: Java Trench -7,258 m highest point: sea level 0 m |
254 | Pacific Ocean | 0 | lowest point: Challenger Deep in the Mariana Trench -10,924 m highest point: sea level 0 m |
255 | Southern Ocean | 0 | lowest point: -7,235 m at the southern end of the South Sandwich Trench highest point: sea level 0 m |
256 | United States Pacific Island Wildlife Refuges | -2,133 | lowest point: Pacific Ocean 0 m highest point: Baker Island, unnamed location - 8 m; Howland Island, unnamed location - 3 m; Jarvis Island, unnamed location - 7 m; Johnston Atoll, Sand Island - 10 m; Kingman Reef, unnamed location - less than 2 m; Midway Islands, unnamed location - 13 m; Palmyra Atoll, unnamed location - 3 m |
| Akrotiri | | void |
| Dhekelia | | void |