| Business | Phone |
| Cranberry Cove Marina 1840 State Highway 30, Mayfield 12117 | (518) 661-5616 |
| Dam Yacht Club 81 School St, Mayfield 12117 | (518) 661-6021 |
| Miller's Grandview Marina 342 Lakeside Dr, Mayfield 12117 | (518) 661-5824 |
| Northampton Sport & Marine Inc 284 Houseman St, Mayfield 12117 | (518) 863-8127 |
| Ryan's Lakeside Marine 322 Lakeside Dr, Mayfield 12117 | (518) 661-5031 |