Smith Point County Marina
Boat ramp · on Great South Bay · near Mastic Beach · New York
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Boat ramp
- Docks
- 1
- Ramp surface
- Multi-lane concrete ramp
- Car parking
- 50
- Restrooms
- Yes
- Tidal
- Yes
- Managed by
- County
- Website
- dec.ny.gov
- Coordinates
- 40.74069, -72.87337
Channel depths in feet from the Army Corps' surveys (New York District; the one nearest this launch is of February 27, 2026). Not for navigation.
Conditions
- Weather forecast for this launch · National Weather Service
- Tide predictions at Smith Point Bridge, Narrow Bay · NOAA, 0.3 mi away
Marine advisories
Advisories in effect load here; without them, see the NWS zone forecast below.
National Weather Service marine zone ANZ345, South Shore Bays from Jones Inlet through Shinnecock Bay. Zone forecast: winds, seas, warnings.
Tides
Predicted highs and lows at NOAA's Smith Point Bridge, Narrow Bay station, 0.3 mi from this launch, in local time above MLLW. Predictions, not observations: wind and weather move the real tide. Full predictions at NOAA.
| Mon Oct 19 | High 4:37 am 1.1 ft · Low 10:42 am 0.5 ft · High 4:53 pm 1.4 ft |
|---|---|
| Tue Oct 20 | Low 12:07 am 0.5 ft · High 5:36 am 1.2 ft · Low 11:47 am 0.5 ft · High 5:52 pm 1.4 ft |
| Wed Oct 21 | Low 1:01 am 0.5 ft · High 6:34 am 1.2 ft · Low 12:53 pm 0.5 ft · High 6:49 pm 1.4 ft |
| Thu Oct 22 | Low 1:51 am 0.4 ft · High 7:27 am 1.3 ft · Low 1:56 pm 0.4 ft · High 7:40 pm 1.4 ft |
| Fri Oct 23 | Low 2:36 am 0.4 ft · High 8:15 am 1.4 ft · Low 2:54 pm 0.4 ft · High 8:27 pm 1.4 ft |
| Sat Oct 24 | Low 3:18 am 0.3 ft · High 8:59 am 1.5 ft · Low 3:50 pm 0.4 ft · High 9:12 pm 1.3 ft |
| Sun Oct 25 | Low 3:59 am 0.2 ft · High 9:42 am 1.6 ft · Low 4:43 pm 0.3 ft · High 9:56 pm 1.3 ft |
Channel survey
The Army Corps surveys the channels it maintains and posts every survey.
- Long Island Intracoastal Waterway · 0.2 mi from this launch
After-dredging survey of February 27, 2026 by the New York District. Least depth in the channel: 3 ft; project depth 6 ft. Survey sheet (PDF)
US Army Corps of Engineers hydrographic surveys, from eHydro. A survey shows the bottom on the day it was made; channels shoal after high water and change with dredging. Not for navigation.
On Great South Bay
Bay in New York. All launches on Great South Bay.
Community
Where people who use Great South Bay talk about it.
Nearby launches
- Floating Dock Boat Launch · 2.6 mi · Carmans River
- Bellport Village Marina Boat Ramp · 3.3 mi · Great South Bay
- Carmans River Boat Launch · 3.7 mi · Carmans River
- Carmans River Carry-in Access near Shirley · 4.2 mi · Carmans River
- Small Boat Launch · 4.2 mi · Carmans River
- Carmans River Carry-in Access near Shirley · 4.3 mi · Carmans River
Sources
- New York State DEC Boat Launch Sites record -72.87303,40.74074 · NYS DEC terms: credit DEC
- NYS DEC Marine Boat Launches, Nassau and Suffolk counties (municipal ramps) record 120 · NYS DEC open data, license unspecified; credit NYSDEC Division of Marine Resources
- OpenStreetMap n3726639969 © OpenStreetMap contributors, ODbL
Why it is listed as public: listed by New York State DEC Boat Launch Sites and NYS DEC Marine Boat Launches, Nassau and Suffolk counties (municipal ramps). Something wrong, or is this launch private? Send a correction; it goes to a person.