| Business | Phone |
| Main Real Estate 175 Main St, Setauket 11733 | (631) 751-8877 |
| Coach Realtors 15 Bennetts Rd, Setauket 11733 | (631) 689-2654 |
| Coldwell Banker Residential 36 Route 25a, Setauket 11733 | (631) 689-2817 |
| Prudential Long Island Realty 750 Route 25a, Setauket 11733 | (631) 751-6000 |
| Shea & Sanders Real Estate 150 Main St, Setauket 11733 | (631) 751-1765 |