Attractions and places to see around Mount Sinai, located on Long Island, offer a mix of natural preserves, historical landmarks, and scenic trails. This region provides opportunities for outdoor activities across diverse landscapes, including forests, harbors, and coastal areas. Visitors can explore various sites that highlight both the natural beauty and local history of the area. The attractions cater to different interests, from hiking and cycling to enjoying waterfront views.
Last updated: April 24, 2026
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Turn off the GPS and go get lost, turn it on when you want to go home, that's the best experience.
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The Setauket-Port Jefferson Station Greenway Trail, or Setauket Greenway, is a 3-mile paved path on Long Island’s north shore. It connects scenic old-growth forests, farmland, meadows, business districts, Stony Brook University, and county parks. The trail features a mix of wooded sections and occasional sunny spots, with several road crossings, and some short sections that pass through utility corridors and sand pits.
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Mount Sinai Harbor holds a marine sanctuary and a nature preserve. It's a beautiful place, popular with clamming and fishing enthusiasts.
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The lighthouse sits on the northern tip of Old Field. It was first built in 1823, then rebuilt in 1868. The U.S. Coast Guard took it during WWII but gave it back to the Old Field community afterwards.
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Glacier Ridge Preserve is a 240-acre park with over 12 miles of biking trails in a big patch of forest.
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Avalon Nature Preserve, in Head of the Harbor, captivates with its diverse ecosystems. Spanning 216 acres, it features woodlands, wetlands, and serene trails, providing a peaceful haven for nature enthusiasts.
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The lighthouse sits on the northern tip of Old Field. It was first built in 1823, then rebuilt in 1868. The U.S. Coast Guard took it during WWII but gave it back to the Old Field community afterwards.
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Mount Sinai Harbor holds a marine sanctuary and a nature preserve. It's a beautiful place, popular with clamming and fishing enthusiasts.
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The Mount Sinai area offers diverse natural features. You can visit Glacier Ridge Preserve, a 240-acre park with extensive forested areas, or explore the varied ecosystems of Avalon Nature Preserve, which spans woodlands and wetlands. Additionally, Mount Sinai Harbor features a marine sanctuary and nature preserve, popular for clamming and fishing.
Yes, the region has historical significance. A notable landmark is Old Field Point Light, a man-made monument first built in 1823 and rebuilt in 1868. This lighthouse, located on the northern tip of Old Field, was returned to the community after WWII and offers a glimpse into local history.
For hiking and walking, consider the Setauket-Port Jefferson Station Greenway Trail, a 3-mile paved path connecting forests, farmland, and meadows. Glacier Ridge Preserve also offers over 12 miles of trails within its forested expanse. For more options, you can find various easy hikes in the area, such as the McAllister County Park Loop or Cedar Beach Trail, by checking the Easy hikes around Mount Sinai guide.
Many attractions in the Mount Sinai area are family-friendly. The Setauket-Port Jefferson Station Greenway Trail is suitable for families, as are Old Field Point Light and Glacier Ridge Preserve. Avalon Nature Preserve also provides a peaceful setting for families to explore diverse ecosystems.
The Mount Sinai area is great for cycling. The Setauket-Port Jefferson Station Greenway Trail is a paved path perfect for bikes, and Glacier Ridge Preserve boasts over 12 miles of biking trails. For more cycling routes, including easy loops and longer rides, consult the Cycling around Mount Sinai guide.
Visitors appreciate the diverse landscapes and opportunities for outdoor activities. The Setauket-Port Jefferson Station Greenway Trail is loved for its mix of wooded sections and scenic views. Glacier Ridge Preserve is valued for its extensive forest and biking trails, while Mount Sinai Harbor is enjoyed for its natural beauty and marine life.
Yes, there are several running trails. You can find various running loops, ranging from easy to moderate difficulty, such as the Running loop from Stony Brook or the Old Mill Creek loop from Setauket. For detailed information and routes, refer to the Running Trails around Mount Sinai guide.
Absolutely. Old Field Point Light offers scenic views from its location on the northern tip of Old Field. Additionally, Mount Sinai Harbor is considered a beautiful viewpoint, especially for those interested in marine landscapes and nature preserves.
Avalon Nature Preserve, located in Head of the Harbor, is a 216-acre park that captivates with its diverse ecosystems. It features woodlands, wetlands, and serene trails, providing a peaceful haven for nature enthusiasts looking to explore varied natural habitats.
The Setauket-Port Jefferson Station Greenway Trail is a unique 3-mile paved path on Long Island’s north shore. It connects a variety of landscapes, including old-growth forests, farmland, meadows, and even business districts, offering a mix of wooded sections and occasional sunny spots. It also links to Stony Brook University and county parks.
Mount Sinai Harbor is a beautiful place that holds a marine sanctuary and a nature preserve. It is particularly popular with clamming and fishing enthusiasts, offering a serene environment for these activities and general enjoyment of the waterfront.
Yes, Glacier Ridge Preserve is a prime example, offering a substantial 240-acre park with a large forested area. It provides over 12 miles of trails, making it an excellent spot for those looking to immerse themselves in nature and explore extensive woodlands.


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