| Business | Phone |
| Beacon Point Marine 49 River Rd, Cos Cob 6807 | (203) 661-4033 |
| Riverscape Marina 33 River Rd, Cos Cob 6807 | (203) 661-0471 |
| Drenckhahn Boat Basin 105 River Rd, Cos Cob 6807 | (203) 869-1892 |
| Palmer Point Marina & Ships 7 River Rd # 311, Cos Cob 6807 | (203) 661-1243 |