| Business | Phone |
| American Marine Svc Inc 28955 William P Rosso Hwy, New Baltimore 48047 | (586) 949-9223 |
| Anchor Bay Marina 32550 Riverpoint St, New Baltimore 48047 | (586) 725-2315 |
| Sun-Up Marina 48770 Jamaica St, New Baltimore 48047 | (586) 725-1411 |
| Captain's Cove Marina Inc 45280 Jefferson Ave, New Baltimore 48047 | (586) 949-6660 |
| Shipping Channel Marina 49088 Jefferson Ave, New Baltimore 48047 | (586) 725-7400 |
| Propeller Basin & Sales 48740 Jefferson Ave, New Baltimore 48047 | (586) 725-0041 |
| Harbor Heights Marina 49028 Jefferson Ave, New Baltimore 48047 | (586) 725-3311 |
| Kenney's Marina 32450 Walled Dr, New Baltimore 48047 | (586) 725-0555 |
| Q Lube Marine Svc 49028 Jefferson Ave, New Baltimore 48047 | (586) 716-3625 |