| SEAL | Swimmer in ocean and lake (4) |
| ORCA | Swimmer in ocean race crossing Atlantic to start with (4) |
| DHOW | Lateen-rigged Arab sailing vessel with one or two masts, chiefly used in the Indian Ocean and Red Sea (4) |
| OSPREY | Bird of prey that hunts in oceans and lakes |
| OTEC | Ocean thermal energy conversion, abbreviated. This form of energy conversion uses the temperature differences between the warm surface waters of the oceans and the deeper cold waters to generate power |
| MARINE | ___ biologist, one who studies the ecosystems in oceans and other bodies of water (6) |
| DEAN | Officer commanding swaps with director in ocean faculty position (4) |
| SAND | Goes around Saint-Tropez with tailwind in ocean liner? (4) |
| LINO | Some coral in ocean floor covering (4) |
| SERA | Valuable fluids right in ocean (4) |
| BERG | South African mountain found floating in ocean (4) |
| ISLE | Spot (in ocean) one that's 27 28, nothing less (4) |
| DEEP | Went back in ocean |
| CRAN | Prefix in Ocean Spray flavor names |
| BELUGA | Also called white whale, this small, toothed whale is found mainly in the coastal waters of the Arctic Ocean and adjacent seas but also in rivers and deep offshore waters. It has also been referred to |
| ELNINO | Climatic phenomenon involving warming of the Pacific Ocean and resulting in dry weather patterns in Australia (2,4) |
| ATOLL | Coral island and surrounding reef such as Diego Garcia (used by the US as a air base in the Indian Ocean) and Mururoa (used by the French to test nuclear weapons in the Pacific) |
| SODIUMCHLORIDE | It's found in the ocean, and briefly in barnacles |
| BODIESOFWATER | What Colin Firth, Arthur Lake, Billy Ocean and Michael Bay end in |
| SEAICE | Frozen seawater within the Arctic Ocean and its adjacent seas as far south as China and Japan and the seas surrounding Antarctica. (3,3) |
