| Business | Phone |
| Bank Of New York 731 Montauk Hwy, Montauk 11954 | (631) 668-5771 |
| Bridgehampton National Bank 1 The Plaza, Montauk 11954 | (631) 668-6400 |
| Suffolk County National Bank 15 W Lake Dr, Montauk 11954 | (631) 668-4333 |
| Suffolk County National Bank 746 Old Montauk Hwy, Montauk 11954 | (631) 668-5300 |