1. Seaboard
2. Shoreline
3. Strand
4. Beach
5. Littoral
6. Waterfront
7. Mariner
8. Bayside
9. Seashore
10. Surfside
11. Seaside
12. Littoral zone
13. Water’s edge
14. Littoral drift
15. Coastline
16. Shore
17. Beachfront
18. Sea-coast
19. Sandbar
20. Seaside resort
21. Littoral shelf
22. Sea margin
23. Coast guard
24. Coastal plain
25. Sea wall
26. Littoral current
27. Sea bank
28. Seaward
29. Beachcomber
30. Seaboard town

When searching for synonyms for the word “coast”, there are many options to choose from. If you’re looking for the best ideas, consider words such as seaboard, shoreline, strand, beach, littoral, waterfront, mariner, bayside, seashore, surfside, seaside, littoral zone, water’s edge, littoral drift, coastline, shore, beachfront, sea-coast, sandbar, seaside resort, littoral shelf, sea margin, coast guard, coastal plain, sea wall, littoral current, sea bank, seaward, beachcomber, and seaboard town. These words are all great alternatives to the word “coast” and can be used to convey the same meaning.