| Business | Phone |
| Beacon Cove Marina 36360 Jefferson Ave, Harrison Townshi 48045 | (586) 463-3864 |
| Sundog Marina Inc 31785 S River Rd, Harrison Townshi 48045 | (586) 468-5400 |
| Belle Maer Harbor 41700 Conger Bay Dr, Harrison Townshi 48045 | (586) 465-4534 |
| Boca Grande Marina 32825 S River Rd, Harrison Townshi 48045 | (586) 463-2622 |
| Ship Chandler Marina 32489 S River Rd, Harrison Townshi 48045 | (586) 465-1231 |
| River Bend Marina 31635 S River Rd, Harrison Townshi 48045 | (586) 463-7888 |
| Duffy's Landing 41700 Conger Bay Dr, Harrison Townshi 48045 | (586) 468-1630 |
| Fox Marine 32525 S River Rd, Harrison Townshi 48045 | (586) 465-1465 |
| North River Marine Ctr 32020 N River Rd, Harrison Townshi 48045 | (586) 469-9000 |
| Hideaway Harbor 36290 Jefferson Ave, Harrison Townshi 48045 | (586) 465-4910 |
| Markley Marine Inc 31300 N River Rd, Harrison Townshi 48045 | (586) 469-6000 |
| Marshall Marine 31675 S River Rd, Harrison Townshi 48045 | (586) 463-1818 |
| Lukas Marina 41680 Conger Bay Dr, Harrison Townshi 48045 | (586) 463-1020 |
| Island Cove Marina 32081 N River Rd, Harrison Townshi 48045 | (586) 469-3625 |
| Lakeside Marine Boat Sales 36301 Jefferson Ave, Harrison Townshi 48045 | (586) 463-2126 |
| Millennyum Marine Svc 36290 Jefferson Ave, Harrison Townshi 48045 | (586) 468-7361 |