word | | Location |
| Ocean | Gabon | Central Africa, bordering the Atlantic Ocean at the Equator, between Republic of the Congo and Equatorial Guinea |
| Ocean | Gambia, The | Western Africa, bordering the North Atlantic Ocean and Senegal |
| Ocean | Gibraltar | Southwestern Europe, bordering the Strait of Gibraltar, which links the Mediterranean Sea and the North Atlantic Ocean, on the southern coast of Spain |
| Ocean | Greenland | Northern North America, island between the Arctic Ocean and the North Atlantic Ocean, northeast of Canada |
| Ocean | Grenada | Caribbean, island between the Caribbean Sea and Atlantic Ocean, north of Trinidad and Tobago |
| Ocean | Guam | Oceania, island in the North Pacific Ocean, about three-quarters of the way from Hawaii to the Philippines |
| Ocean | Guatemala | Central America, bordering the North Pacific Ocean, between El Salvador and Mexico, and bordering the Gulf of Honduras (Caribbean Sea) between Honduras and Belize |
| Ocean | Guinea | Western Africa, bordering the North Atlantic Ocean, between Guinea-Bissau and Sierra Leone |
| Ocean | Guinea-Bissau | Western Africa, bordering the North Atlantic Ocean, between Guinea and Senegal |
| Ocean | Guyana | Northern South America, bordering the North Atlantic Ocean, between Suriname and Venezuela |
| Ocean | Haiti | Caribbean, western one-third of the island of Hispaniola, between the Caribbean Sea and the North Atlantic Ocean, west of the Dominican Republic |
| Ocean | Heard Island and McDonald Islands | islands in the Indian Ocean, about two-thirds of the way from Madagascar to Antarctica |
| Ocean | Honduras | Central America, bordering the Caribbean Sea, between Guatemala and Nicaragua and bordering the Gulf of Fonseca (North Pacific Ocean), between El Salvador and Nicaragua |
| Ocean | Iceland | Northern Europe, island between the Greenland Sea and the North Atlantic Ocean, northwest of the United Kingdom |