There are 12 lookouts registered in Maine. The most recently registered lookout is Mitten Mountain Lookout (US 1251, ME 12), added on August 28, 2017.
| Lookout Name | NHLR Registry Number | Available for Rental | Visit Reports |
| Beech Mountain Lookout | US 60, ME 1 | ||
| Deasey Mountain Lookout | US 662, ME 10 | ||
| Deboullie Mountain Lookout | US 138, ME 6 | ||
| Harris Mountain Lookout | US 66, ME 2 | 1 report | |
| Mitten Mountain Lookout | US 1251, ME 12 | ||
| Mount Agamenticus Fire Tower | US 90, ME 4 | ||
| Mount Hope Fire Tower | US 95, ME 5 | ||
| Mount Pisgah Fire Tower | US 736, ME 11 | ||
| Ossipee Hill Lookout | US 187, ME 9 | ||
| Rocky Mountain Lookout | US 139, ME 7 | ||
| Ross Mountain Fire Tower | US 170, ME 8 | ||
| Squaw Mountain Lookout | US 67, ME 3 |