| Solution | Length | |
|---|---|---|
| 4 letters | ||
| spit | 4 | |
| quay | 4 | |
| mole | 4 | |
| wall | 4 | |
| pier | 4 | |
| reef | 4 | |
| work | 4 | |
| weir | 4 | |
| slip | 4 | |
| road | 4 | |
| spur | 4 | |
| 5 letters | ||
| moles | 5 | |
| piers | 5 | |
| levee | 5 | |
| jetty | 5 | |
| wharf | 5 | |
| 6 letters | ||
| tongue | 6 | |
| groyne | 6 | |
| 7 letters | ||
| jetties | 7 | |
| rampart | 7 | |
| seawall | 7 | |
| seaport | 7 | |
| 8 letters | ||
| SEAWALLS | 8 | |
| shoulder | 8 | |
| shipyard | 8 | |
| 9 letters | ||
| roadblock | 9 | |
| 10 letters | ||
| stone-wall | 10 | |
| promontory | 10 | |
| EMBANKMENT | 10 | |
| 14 letters | ||
| RETAINING WALL | 14 | |