| Business | Phone |
| Senior Boat Works 6930 Piper Rd, Bethel Island 94511 | (925) 684-2194 |
| Boat Shop 4120 Gateway Rd, Bethel Island 94511 | (925) 684-2140 |
| C F Marine Svc 1970 Taylor Rd, Bethel Island 94511 | (925) 684-2707 |
| Delta Watercraft Shop 3025 Gateway Blvd, Bethel Island 94511 | (925) 684-2620 |
| Diablo Boat Works 2616 Taylor Rd, Bethel Island 94511 | (925) 684-3344 |
| Perry's Mercury Marine Svc 6320 Bethel Island Rd, Bethel Island 94511 | (925) 684-3671 |
| Top Jimmy's Mobile Marine Svc Po Box 1985, Bethel Island 94511 | (925) 684-9559 |