| OROPESA | A fish-shaped float used in marine minesweeping (7) |
| NAVALBRASS | Copper alloy used in marine construction |
| SYSNAV | System used in marine GPS (3-3) |
| SATNAV | System used in marine GPS (3-3) |
| NAUTICALMILES | Units of length used in marine navigation (8,5) |
| PEA | ___ float, used in shallow fishing (3) |
| DRIFTER | ___ float, used to catch pike out of casting range (7) |
| DANBUOY | Boundary right away shifted for float used as a navigation mark (3,4) |
| PONTOON | Float used to support bridge (7) |
| MARKERS | e.g. pegs or floats used as indicators (7) |
| ASTOUND | A temperature in marine inlet causes surprise (7) |
| LORINER | Who made a bit investing gold in marine transport |
| SEAGULL | Avian scavenger twisted ear in marine mammal (7) |
| CETACEA | Create no resistance about confusion in marine order (7) |
| NAVVIES | Hands very involved in marine forces (7) |
| FISHERY | That woman is among Irish men at end of day in marine business (7) |
| SPONGES | Sessile porifers, such as the breadcrumbs, crumpled dusters, mermaid's gloves, prawn crackers, sea oranges or shredded carrots, that play crucial roles in marine ecosystems (7) |
| SANDBAR | Sailor's first and second award in marine setting (4,3) |
| SEALION | Cork particle found in marine creature (3,4) |
| ARALSEA | Are, alas, adrift in marine waters of USSR (4,3) |
