| Business | Phone |
| Boathouse Marina At Locke 13900 River Rd, Walnut Grove 95690 | (916) 776-1204 |
| Walnut Grove Marina Inc 1400 Old Levee Rd, Walnut Grove 95690 | (916) 776-1181 |
| Dagmar's Landing Highway 160, Walnut Grove 95690 | (916) 776-1961 |
| Hidden Harbor Marina 3100 Ryer Rd E, Walnut Grove 95690 | (916) 775-1313 |
| Sherman Lake Resort 5140 W Sherman Island Rd, Walnut Grove 95690 | (916) 776-2203 |