NBM Dive Site Resource
Smithtown Reef
Long Island waters, New York, United States
An official NYSDEC marine artificial-reef permit area with mapped boundaries, depth range, materials and deployment history; individual vessel targets are retained separately.
Save this dive site to your free member profile.
Historic Picture Placeholder
Aquatic life at this dive site
What divers may encounter
Three reviewed connections are featured here. Sightings vary by season, conditions, and chance, so they are never guaranteed.
Aquatic life research in progress
NBM is reviewing a likely local species for this position.
Aquatic life research in progress
NBM is reviewing a likely local species for this position.
Aquatic life research in progress
NBM is reviewing a likely local species for this position.
Site media
Photographs
Three views rotate from the published gallery on each visit.
Contributor media
Dive videos
Three featured video positions are reserved on every profile.Published reference location
Location map
The marker shows the public coordinates associated with this profile. Confirm current access, moorings, and departure details before the dive.Map data © OpenStreetMap contributors
Recent field observations
Diver-reported temperatures
Automatically checked observations from dives during the past 14 days. Three reports are visible at a time; scroll for more.A report that passes the automatic checks will appear here with the dive date, diver’s display name, and temperatures at each depth.
Reports are automatically checked for plausible dates, depths, and temperatures. They are observations, not forecasts; confirm conditions before diving.
Connected artificial-reef collection
Deployment history
This dive site is included in the deployed Artificial Reefs search, where deployment records and connected news updates are gathered together.
Why divers know this place
Highlights
Official reef footprint, diverse deployed material, marine growth and multiple target options.
Dive-area module
Area coverage
This profile represents a preserve, sanctuary, park, or regional dive area rather than one underwater site. The sourced inventory below links to the named sites documented within its boundaries.
Before you arrive
Access notes
Boat-only permit area. Confirm the exact target, tide, weather, fish-pot restrictions and current chart before every dive.
Plan within your training
Conditions and hazards
Boat traffic, fishing gear, entanglement, current, surge, cold, low visibility, overheads, sharp metal and depth-dependent decompression exposure.
At the site
Facilities and support
No onsite facilities; services depend on departure port and charter.
Independent resource notice
This record is a starting point for independent verification. Access, closures, moorings, weather, currents, depth, visibility, operator availability, and site conditions can change without notice. Confirm current information with the responsible operator, property owner, managing authority, or another qualified local source before planning or attempting a dive.