| Business | Phone |
| North Haven Village Clerk's 335 Ferry Rd, Sag Harbor 11963 | (631) 725-1378 |
| Sag Harbor Ambulance Calls Columbia St, Sag Harbor 11963 | (631) 725-0058 |
| Sag Harbor Building Dept 55 Main St, Sag Harbor 11963 | (631) 725-0224 |
| Sag Harbor Village Ambulance Division, Sag Harbor 11963 | (631) 000-1111 |
| Sag Harbor Village Office 7 Bay St, Sag Harbor 11963 | (631) 725-2368 |
| Southampton Recycling Bridgehampton Tpke, Sag Harbor 11963 | (631) 725-3097 |