Sunken Meadow State Park (officially Governor Alfred E. Smith State Park) is a 1,287-acre coastal gem on Long Island’s north shore, where three miles of beach meet the calm waters of the Long Island Sound, glacier-formed bluffs rise 70 feet above the shore, and a lush salt marsh gives the park its evocative name. Just an hour from New York City, Sunken Meadow is one of Long Island’s most beloved parks — and the northern starting point of the Long Island Greenbelt Trail.
Quick Facts at a Glance
| Location | Smithtown, Suffolk County, Long Island, NY |
| Park Size | 1,287 acres |
| Beach | 3 miles along Long Island Sound |
| Boardwalk | 3/4 mile along the beach |
| Trails | ~6 miles (hiking, cycling, mountain biking) |
| Long Trail | Northern trailhead of Long Island Greenbelt Trail |
| Key Features | Sunken Meadow salt marsh, glacier bluffs, Sound views |
| Views | Connecticut visible across the Sound on clear days |
| Nearest City | Smithtown / Kings Park, NY |
Beach & Boardwalk
Three miles of beach front the calm, family-friendly waters of the Long Island Sound. The 3/4-mile boardwalk is perfect for measured walks with Sound views. At the western end, the shoreline meets dramatic glacier-formed bluffs — remnants of the last Ice Age.
- Kayaking, windsurfing, SUP, canoeing — launch from Field 3 (eastern portion)
- Swimming — calm Sound waters, family-friendly
- On clear days, Connecticut is visible across the Sound
Trails & Hiking
| Trail | Distance | Highlights |
| Nissequogue River Loop | 4.2 mi | River and wooded paths |
| Wetland Trail | 3.3 mi | Boardwalks, marsh views, wildlife |
| Sunken Meadow Creek Marsh Trail | 3.3 mi | Wetlands exploration |
| Long Island Greenbelt Trail | Thru-hike | Extends to LI’s south shore |
The park’s varied terrain — wooded hills, salt marshes, bluffs, shoreline — creates surprisingly diverse hiking for Long Island. The famous “Cardiac Hill” is a notable incline used in high school cross-country races.
The Sunken Meadow
The park’s namesake sunken meadow is a picturesque salt marsh where Sunken Meadow Creek meets the Sound. Bridges cross the creek, and the marsh habitat supports diverse birdlife including herons, egrets, and shorebirds.
Insider Tips
- Walk the boardwalk at sunset — Long Island Sound sunsets are spectacular
- Start the Long Island Greenbelt Trail here — a multi-day thru-hike option across LI
- The Wetland Trail is excellent for birding in spring and fall migration
- Arrive early on summer weekends — parking fills fast at this popular beach park
- Explore the glacier bluffs at the western end of the beach for geology and views
Frequently Asked Questions
What activities are available at this state park?
Common activities include hiking, camping, fishing, swimming, picnicking, and wildlife watching. Check the park website for specific offerings, trail maps, and seasonal programs.
Do I need a reservation to camp?
Reservations are recommended for camping, especially on weekends and holidays during peak season. Most state park systems offer online reservation portals where you can book sites months in advance.
Are dogs allowed at this state park?
Dogs are typically allowed in campgrounds and on most trails but must be kept on a leash (usually 6 feet). Dogs are often prohibited at swimming beaches. Service animals are always welcome. Check specific park rules.
What is the best time to visit?
Spring and fall generally offer the most comfortable weather for outdoor activities. Summer is peak for swimming and camping. Check the specific park for seasonal closures and optimal visiting conditions.
Explore More New York State Parks
Discover more in our Best State Parks in New York guide, or use our Park Finder.
Keep exploring: The closest neighbors are Nissequogue River State Park (a short drive away) and Caleb Smith State Park Preserve (a short drive away).
Park Location
Plan your gear for Sunken Meadow State Park
From our editorial guides, matched to this park’s activities:
