Launch Conditions
Use cautionLaunch with caution — limited daylight.
- Advisories
- None active
- Daylight
- Past sunset (8:27 PM)
Live from the National Weather Service, USGS, and NOAA. A guide, not a substitute for official forecasts and your own judgment.
Launch Light & Moon — June 24
local timeWaxing Gibbous (75% illuminated). Average fishing outlook by moon phase — focus on dawn and dusk bite windows.
Location
Quick Facts: Great River Boat Ramp
| Location | Town of Islip, New York |
|---|---|
| Waterbody | Great River |
| Access Type | Public |
| Coordinates | 40.744064, -73.149812 |
| Hours | Check on site |
| County | Suffolk County |
Great River Boat Ramp is a boat launch providing access to Great River in Town of Islip, New York at coordinates 40.74406, -73.14981.
Great River Boat Ramp is a boat launch on Great River in Town of Islip, Suffolk County, New York. This page shows sunrise, sunset, and moon-phase times for the launch, updated automatically. There are 6 other mapped boat ramps within about 15 miles if conditions here aren't right.
Related: boat ramp near Town of Islip • public launch in Suffolk County • fishing access on Great River • New York boat launch
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Frequently Asked Questions About Great River Boat Ramp
What water does Great River Boat Ramp access?
Great River Boat Ramp provides boat launch access to Great River in Town of Islip, New York.
How do I get to Great River Boat Ramp?
Great River Boat Ramp is located at coordinates 40.744064, -73.149812 in Town of Islip, New York. Use the "Get Directions" buttons on this page to navigate with Google Maps or Apple Maps.
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Alternative Boat Launches Nearby
The area surrounding Great River Boat Ramp includes 6 other public boat ramps within 6.0 mi, giving boaters flexibility in choosing their access point.