Islip County Preserve

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Last Updated: December 5, 2025

Islip County Preserve is a 1,100-acre natural area located in Suffolk County, New York.


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Summary

The preserve offers a variety of outdoor activities, making it an ideal destination for nature enthusiasts. Some of the good reasons to visit this preserve include hiking, bird watching, fishing, and picnicking.

One of the main attractions of Islip County Preserve is the various hiking trails that lead through the preserve's diverse habitats, including wetlands, forests, and fields. Visitors can also enjoy fishing in the freshwater ponds that are home to various species of fish. Birdwatchers can spot over 200 bird species in the preserve, including the rare eastern whip-poor-will, osprey, and bald eagles.

The preserve is also home to several points of interest, including the Brookwood Hall, an elegant mansion built-in 1903, and the Connetquot River State Park Preserve, which is located adjacent to the preserve. Visitors can also hike to the historic Blydenburgh County Park, which was once a thriving mill town in the 19th century.

Interesting facts about the Islip County Preserve include that it was originally owned by the Blydenburgh family and was used as a farm until 1963 when it was acquired by the county to create a nature preserve. The preserve is also home to several rare and endangered species, including the eastern box turtle and the wood turtle.

The best time of year to visit Islip County Preserve is during the spring and fall when the weather is mild, and the foliage is at its peak. Visitors can also enjoy the summer season, but be prepared for high humidity and insect activity. Additionally, winter offers opportunities for snowshoeing and cross-country skiing.

       

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Park & Land Designation Reference

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing), often around reservoirs, rivers, or scenic landscapes; may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
National Forest
Federally managed lands focused on multiple use—recreation, wildlife habitat, watershed protection, and resource extraction (like timber)—unlike the stricter protections of national parks.
Wilderness
A protected area set aside to conserve specific resources—such as wildlife, habitats, or scientific features—with regulations varying widely depending on the managing agency and purpose.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use—recreation, grazing, mining, conservation—with fewer restrictions than national parks or forests.
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