William Floyd Estate
Nature preserve
608 acres4.9 mi of trail
Blue TrailYellow TrailBlue Trail AdditionRed Trail+1
Dog rules not recorded
Directionsto the parking lotWebsite ↗
Photo: Lfstar68 · CC BY-SA 3.0–Not graded
Outdoors in Mastic Beach
22% of Mastic Beach’s land is conserved, and virtually every resident lives within a half mile of a park
Virtually every resident lives within a half mile of a park. The biggest trail networks: William Floyd Estate (4.9 mi). 22% of Mastic Beach’s land is conserved, about 694 acres.
Conserved land
22%
694 acres · of 4.9 sq mi of land
Trails
6.6 mi
1.3 per sq mi of land
Park land
695 ac
42 acres per 1,000 residents
Near a park
99%+
of residents within ½ mile
Bike routes
0.1 mi
0.1 mi lanes
Lakes & rivers
1
4 beaches · 2 boat launches
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 William Floyd Estate, with 4.9 miles. Directions go to the nearest trailhead or public parking.
Fire Island National Seashore
Managed by National Park Service
617 acres
Dogs usually limited
No trailhead mapped yetWebsite ↗
Johns Neck State Tidal Wetland
Managed by New York State Department of Environmental Conservation
50 acres
Dog rules not recorded
No trailhead mapped yetWebsite ↗
All 6 parks & preserves
William Floyd Estate608 acres · 4.9 mi of trail
DirectionsRobert Miller Park6 acres · 0.1 mi of trail
DirectionsFire Island National Seashore617 acres · National Park Service
Johns Neck State Tidal Wetland50 acres · New York State Department of Environmental Conservation
Bayview Park5 acres
DirectionsOsprey Park2 acres · Town of Brookhaven, NY
DirectionsWho protects it
694 conserved acres
22% of Mastic Beach’s land. Water is left out: Mastic Beach has 4.9 square miles of land and 1.1 of water, so the share counts land only. Who manages Mastic Beach’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
National Park Service609 ac
State conservation52 ac
Town or city25 ac
USDA easements (NRCS)6 ac
National Lakeshore or Seashore · 609 acState Conservation Area · 52 acLocal Park · 25 acConservation Easement · 6 ac
Good to know
Conserved doesn’t always mean open to visitors. 10 acres are conservation easements, usually private land. Public access isn’t recorded for 1 of 7 parcels. The walks above are places people visit.
The biggest protected parcels
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Fire Island National Seashore National Lakeshore or Seashore | National Park Service | 609 | Open |
| Johns Neck State Tidal Wetland State Conservation Area | State conservation | 52 | Open |
| TOWN OF BROOKHAVENC/O DEPT OF FINANCE Land Local Park | Town or city | 14 | Unknown |
| Unknown Park Local Park | Town or city | 8 | Open |
| Osprey Park Local Park | Town or city | 3 | Open |
Things to do
7 places to go in Mastic Beach
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Beaches in Mastic Beach
4 beaches without a name on the map. Tap “Show all on map” to see them.
Playgrounds in Mastic Beach
1 playground without a name on the map. Tap “Show all on map” to see it.
Boat launches in Mastic Beach
2 boat launches without a name on the map.
Trails & water
5 named trails and 1 lakes & rivers
Named trails
Blue Trail2.0 mi
Yellow Trail0.9 mi
Blue Trail Addition0.7 mi
Red Trail0.2 mi
Squirrel Lane Trail0.1 mi
Lakes & rivers tap for directions
Biking & sports
0.1 miles of bike routes
Bike lanes are often missing from the map in smaller towns, so that number is likely low.
0.1 mi
painted or protected bike lanes
Courts & fields
3Baseball
Includes school and college facilities, which aren’t always open to the public.
When to get out
The best walking months in Mastic Beach: 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) | 9.6 | 10.6 | 11.8 | 13.2 | 14.4 | 15.1 | 14.8 | 13.8 | 12.4 | 11.0 | 9.8 | 9.3 |
| High (°F) | 40 | 41 | 48 | 58 | 67 | 76 | 82 | 81 | 74 | 64 | 54 | 45 |
| Rain (in) | 3.5 | 3.2 | 4.6 | 4.0 | 3.3 | 4.0 | 3.1 | 3.8 | 3.8 | 4.3 | 3.6 | 4.6 |
July is the driest month (3.1 in) and the warmest (highs of 82 °F). 4.6 inches fall in December, the wettest month. The climate in Mastic Beach →
Next door
Mastic Beach and its neighbors
Mastic Beach has the second most mapped trails of the 2 towns around it. Tap a town to see its outdoors.
| Town | Conserved of land | Trail mi per sq mi | Park acres per 1,000 | Near a park ½ mile | Outdoors |
|---|---|---|---|---|---|
| Mastic Beach | — not graded: under 1,000 residents or part of its town | ||||
| Shirley | — 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 Mastic Beach
Where can I hike in Mastic Beach?
The longest trail networks: William Floyd Estate, 4.9 miles; Robert Miller Park, 0.1 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
Are dogs allowed on Mastic Beach’s trails?
William Floyd Estate and Fire Island National Seashore don’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in Mastic Beach?
0.1 miles of bike routes are on the map: 0.1 of painted or protected lanes.
Is there public land near Mastic Beach?
21,759 acres of parks and open public land lie inside Mastic Beach or within 10 miles of it (PAD-US), 695 of them inside the town line.
Trail talk
Conditions, parking and favorite walks from Mastic Beach 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 →