- Lower Lake Park
- 16375 2nd Street, Lower Lake, CA, 95457
- Mad River Grange
- 110 Hatchery Road, Blue Lake, CA, 95525
- Mad River Hospital Pasture
- 3800 Janes Road, Arcata, CA, 95521
- Manilla Community Center
- 1611 Peninsula Drive, Arcata, CA, 95521
- Marie Hill Sheep Ranch
- 43700 Hwy 128, Cloverdale, CA, 95425
- Mary Hill Ranch
- 43700 Hwy 128, Cloverdale, CA, 95425
- Masonic Lodge in Eureka
- 517 G Street, Eureka, CA, 95501
- Mendocino County Museum
- 400 E Commercial Street, Willits, CA, 95490
- Orman Guest Ranch & Stables
- 750 Humboldt Road, Crescent City, CA, 95531
- Pachanga Mexicana Restaurant
- 1802 5th Street, Eureka, CA, 95501