Warren Island State Park
Managed by Maine Bureau of Parks and Lands
72 acres1.4 mi of trail
Dog rules not recorded
No trailhead mapped yet
Photo: Photo taken by NightThree with a Canon Powershot A60 on April 13, 2003 · CC BY 2.0–Not graded
Outdoors in Islesboro
Few parks or trails are on the map in Islesboro
The biggest trail networks: Warren Island State Park (1.4 mi), Herbert Preserve (1.2 mi), Turtle Head Preserve (0.9 mi). 4% of Islesboro’s land is conserved, about 386 acres. 7 acres are parks and preserves, 11 per 1,000 residents.
Conserved land
4%
386 acres · of 14.6 sq mi of land
Trails
8.8 mi
0.6 per sq mi of land
Park land
7 ac
11 acres per 1,000 residents
Near a park
under 1%
of residents within ½ mile
Highest peak
194 ft
Kedears Hill
Lakes & rivers
2
3 beaches · 1 boat launch
What kind of outdoors town is Islesboro?
Read from the map. The page puts what stands out first.
The map
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
Easements protect land from building but are usually private.© OpenStreetMap contributors · USGS PAD-US
Places to walk
Pick a walk
The longest trail network is Warren Island State Park, with 1.4 miles. Directions go to the nearest trailhead or public parking.
Herbert Preserve
Managed by Islesboro Islands Trust
40 acres1.2 mi of trail
Western TrailEastern Trail
Dog rules not recorded
No trailhead mapped yet
Turtle Head Preserve
Managed by Islesboro Islands Trust
25 acres0.9 mi of trail
Dog rules not recorded
Directionsto Turtle Head Preserve Parking
Hutchins Marsh Preserve
Managed by Islesboro Islands Trust
26 acres0.7 mi of trail
Dog rules not recorded
No trailhead mapped yet
Hutchins Island Preserve
Managed by Islesboro Islands Trust
17 acres0.5 mi of trail
Dev Hamlin Trail
Dog rules not recorded
No trailhead mapped yet
All 14 parks & preserves
Warren Island State Park72 acres · 1.4 mi of trail · Maine Bureau of Parks and Lands
Herbert Preserve40 acres · 1.2 mi of trail · Islesboro Islands Trust
Turtle Head Preserve25 acres · 0.9 mi of trail · Islesboro Islands Trust
DirectionsHutchins Marsh Preserve26 acres · 0.7 mi of trail · Islesboro Islands Trust
Hutchins Island Preserve17 acres · 0.5 mi of trail · Islesboro Islands Trust
Broad Point Preserve52 acres · Islesboro Islands Trust
Blueberry Hill Preserve40 acres · Islesboro Islands Trust
Mark Island Preserve36 acres · The Nature Conservancy
Spruce Island Preserve28 acres · Islesboro Islands Trust
Alan E. Hutchinson Wildlife Management Area22 acres · Maine Department of Inland Fisheries & Wildlife
Mill Dam Preserve17 acres · Islesboro Islands Trust
The Narrows Preserve10 acres · Islesboro Islands Trust
Islesboro Town Beach6 acres
Hinkle Preserve5 acres · Islesboro Islands Trust
Who protects it
386 conserved acres
4% of Islesboro’s land. Water is left out: Islesboro has 14.6 square miles of land and 66.0 of water, so the share counts land only. Who manages Islesboro’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Land trusts & nonprofits503 ac
State parks99 ac
U.S. Fish and Wildlife Service90 ac
State fish & wildlife50 ac
Regional agency9 ac
Not recorded1 ac
Conservation Easement · 222 acUnknown Easement · 220 acNational Wildlife Refuge · 90 acState Park · 90 acPrivate Other or Unknown · 65 ac
Good to know
Conserved doesn’t always mean open to visitors. 155 acres are conservation easements, usually private land. Public access isn’t recorded for 11 of 30 parcels. The walks above are places people visit.
The biggest protected parcels
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Petit Manan National Wildlife Refuge National Wildlife Refuge | U.S. Fish and Wildlife Service | 90 | Restricted |
| Warren Island State Park State Park | State parks | 90 | Closed |
| Spruce Island Private Other or Unknown | Land trusts & nonprofits | 34 | Closed |
| Hutchin's Island Private Other or Unknown | Land trusts & nonprofits | 31 | Closed |
| Mark Island Preserve (North Haven) Private Conservation | Land trusts & nonprofits | 31 | Closed |
| Alan E. Hutchinson Wildlife Management Area State Conservation Area | State fish & wildlife | 21 | Closed |
| Town Beach and Park Local Park | Regional agency | 7 | Open |
| Unnamed Island (Penobscot Bay, Southeast of Lasell Island) Unknown | State parks | 2 | Unknown |
| East Goose Rocks Unknown | State parks | 1 | Unknown |
| Goose Island State Other or Unknown | Not recorded | 1 | Unknown |
1 smaller protected places aren’t shown.
Things to do
11 places to go in Islesboro
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Beaches in Islesboro
Playgrounds in Islesboro
1 playground without a name on the map. Tap “Show all on map” to see it.
Boat launches in Islesboro
Gilkey Harbor Boat Launch
DirectionsScenic views in Islesboro
1 scenic view without a name on the map.
Peaks in Islesboro
Kedears Hill194 ft elevation
DirectionsAbrams Mountain108 ft elevation
DirectionsJobs Mountain82 ft elevation
DirectionsPhilbrook Head49 ft elevation
DirectionsLobster Rock0 ft elevation
DirectionsTrails & water
4 named trails and 2 lakes & rivers
Named trails
Lily Guest Memorial Trail1.0 mi
Western Trail0.8 mi
Dev Hamlin Trail0.6 mi
Eastern Trail0.5 mi
Lakes & rivers tap for directions
Biking & sports
0.0 miles of bike routes
Bike lanes are often missing from the map in smaller towns, so that number is likely low.
Courts & fields
1Basketball
Includes school and college facilities, which aren’t always open to the public.
History along the way
History →7 places on the National Register
The country’s official list of places worth saving (National Park Service). The map also marks 1 historic points from OpenStreetMap: plaques, memorials and old buildings.
Drexel EstateBuilding · listed 1985
About itPhiller CottageBuilding · listed 1985
About itGrindle Point Light StationBuilding · listed 1987
About itFree Will Baptist Church and CemeteryBuilding · listed 1988
About itIslesboro Free LibraryBuilding · listed 1989
About itGeorge S. Tiffany CottageBuilding · listed 1989
About itDark Harbor ShopBuilding · listed 2017
About itWhen to get out
The best walking months in Islesboro: May to September
NOAA’s 1991–2020 normals for the town and the daylight at its latitude. Outlined months have long days, highs of 59 to 86 °F and little rain for the place.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.2 | 10.4 | 11.8 | 13.4 | 14.8 | 15.5 | 15.2 | 14.0 | 12.4 | 10.9 | 9.5 | 8.9 |
| High (°F) | 29 | 31 | 39 | 51 | 61 | 70 | 76 | 75 | 68 | 56 | 45 | 35 |
| Rain (in) | 4.2 | 3.4 | 4.2 | 4.3 | 3.8 | 4.3 | 3.2 | 3.2 | 4.0 | 5.4 | 4.8 | 5.0 |
August is the driest month (3.2 in) and July the warmest (highs of 76 °F). 5.4 inches fall in October, the wettest month. The climate in Islesboro →
Next door
Islesboro and its neighbors
Tap a town to see its outdoors.
Lincolnville32 miNorth Haven22 miDeer Isle21 miBrooksville15 miCastine14 miSearsport14 miIslesboro8.8 miNorthport7.2 mi
| Town | Conserved of land | Trail mi per sq mi | Park acres per 1,000 | Near a park ½ mile | Outdoors |
|---|---|---|---|---|---|
| Islesboro | — not graded: under 1,000 residents or part of its town | ||||
| Northport | 12% | 0.3 | 209 | 20% | B+ |
| Deer Isle | 8% | 0.7 | 21 | 7% | B |
| Brooksville | — not graded: under 1,000 residents or part of its town | ||||
| Castine | 18% | 1.8 | 48 | 77% | A |
| Searsport | 8% | 0.5 | 86 | 21% | B+ |
| Lincolnville | 27% | 0.9 | 1,490 | 40% | A |
| North Haven | — not graded: under 1,000 residents or part of its town | ||||
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Islesboro
Where can I hike in Islesboro?
The longest trail networks: Warren Island State Park, 1.4 miles; Herbert Preserve, 1.2 miles; Turtle Head Preserve, 0.9 miles; Hutchins Marsh Preserve, 0.7 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
Are dogs allowed on Islesboro’s trails?
Warren Island State Park and Herbert Preserve don’t have dog rules recorded on the map; check the signs at the trailhead.
Is there public land near Islesboro?
8,037 acres of parks and open public land lie inside Islesboro or within 10 miles of it (PAD-US), 7 of them inside the town line.
Trail talk
Conditions, parking and favorite walks from Islesboro neighbors.
Share a tip
Sources
Where this page comes from
Conserved and public land: USGS Protected Areas Database of the United States (PAD-US), service updated July 2026. Parks, trails, playgrounds, beaches and other places: OpenStreetMap (© OpenStreetMap contributors, ODbL), map data as of 2026-10-28. Land and water area: Census 2025 Gazetteer. Residents near a park: 2020 Census blocks. National Register: National Park Service. How TownRatings grades the outdoors →