Westduynen is een straat te Cadzand in de gemeente Sluis en is gelegen in de Nederlandse provincie Zeeland.
| Postcode | Huisnummers |
|---|---|
| 4506 GR | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23A, 23, 24, 25, 26, 27, 28, 29, 30, 31A, 31, 32, 33, 34, 35, 36, 37, 39, 41A, 41, 43, 45, 47, 49, 51, 53; |