| Business | Phone |
| Bath & Tennis Hotel 231 Dune Rd, Westhampton Bch 11978 | (631) 288-2500 |
| Bay-Mor Club Condominium 274 Dune Rd, Westhampton Bch 11978 | (631) 288-3347 |
| Quantuck Beach Club 49 Dune Rd, Westhampton Bch 11978 | (631) 288-3869 |
| La Ronde Beach Club Inc 297 Dune Rd, Westhampton Bch 11978 | (631) 288-4122 |
| Swordfish Owners Corp 245 Dune Rd, Westhampton Bch 11978 | (631) 288-1666 |
| Westhampton Country Club 35 Potunk Ln, Westhampton Bch 11978 | (631) 288-1148 |