Montauk Inlet

An aerial view of Montauk Inlet shows boats navigating between the stone jetties that connect Montauk Harbor with Block Island Sound and the Atlantic Ocean. The inlet is one of Long Island's busiest maritime gateways, serving commercial fishing vessels, charter boats, recreational boaters, and the United States Coast Guard throughout the year.
An aerial view of Montauk Inlet shows boats navigating between the stone jetties that connect Montauk Harbor with Block Island Sound and the Atlantic Ocean. The inlet is one of Long Island’s busiest maritime gateways, serving commercial fishing vessels, charter boats, recreational boaters, and the United States Coast Guard throughout the year. File photo: BenCrowther, licensed.

Montauk Inlet is the navigable channel connecting Block Island Sound with Montauk Harbor at the eastern tip of Long Island. Located in Montauk, the inlet serves as one of New York’s most important maritime gateways, providing access for commercial fishing vessels, charter boats, recreational boaters, the United States Coast Guard, and numerous marine businesses. It is widely recognized as the entrance to one of the busiest sportfishing ports on the East Coast.

About Montauk Inlet

Montauk Inlet separates the eastern end of Long Island from Star Island and provides direct access between the protected waters of Montauk Harbor and the open waters of Block Island Sound. The inlet is maintained through regular dredging and engineering projects to support safe navigation for both commercial and recreational vessels.

Its strategic location makes it one of the most heavily traveled inlets on Long Island, particularly during the spring, summer, and fall fishing seasons when hundreds of boats depart daily for offshore waters.

Gateway to Offshore Fishing

Montauk Inlet provides direct access to some of the Atlantic Ocean’s most productive fishing grounds. Charter captains and commercial fishermen routinely pass through the inlet while targeting striped bass, bluefish, fluke, black sea bass, tuna, mahi-mahi, shark, cod, and numerous other species.

The inlet’s location near the meeting point of the Atlantic Ocean and Block Island Sound creates productive marine habitats that have helped establish Montauk’s reputation as the “Fishing Capital of the World.”

Navigation and Boating

Thousands of recreational vessels transit Montauk Inlet each year. The channel serves boaters traveling between Long Island, Rhode Island, Connecticut, Block Island, Martha’s Vineyard, Cape Cod, and other destinations throughout southern New England.

Because tidal currents, weather conditions, and heavy vessel traffic can affect navigation, mariners are encouraged to monitor current marine forecasts and navigation notices before entering or departing the inlet.

Marine Economy

Montauk Inlet supports one of Long Island’s most significant maritime economies. Commercial fishing operations, seafood processors, charter fishing businesses, marinas, boat repair facilities, fuel docks, restaurants, and tourism-related businesses all depend on reliable access through the inlet.

The inlet also serves vessels operated by the United States Coast Guard, marine law enforcement agencies, research organizations, and emergency responders.

Wildlife and Scenic Views

Visitors frequently observe seals, dolphins, seabirds, and migrating whales in the waters surrounding Montauk Inlet. Ospreys, cormorants, gulls, and terns are common throughout the area, while the nearby shoreline provides scenic views of fishing boats, yachts, and commercial vessels traveling between the harbor and the open ocean.


Montauk Inlet


Inlet Highlights

FeatureDetails
LocationMontauk, Town of East Hampton
ConnectsMontauk Harbor with Block Island Sound
Primary UsesCommercial fishing, recreational boating, charter fishing, Coast Guard operations
Known ForGateway to offshore fishing and one of Long Island’s busiest boating channels
Nearby LandmarksMontauk Point Lighthouse, Montauk Harbor
WildlifeSeals, dolphins, whales, ospreys, gulls, terns, cormorants
Best Time to VisitLate spring through early fall, when boating and fishing activity is at its peak

Montauk Inlet serves as the maritime gateway to eastern Long Island, linking one of New York’s busiest fishing harbors, Montauk Harbor, with the open waters of Block Island Sound and the Atlantic Ocean. Whether viewed from shore, crossed by boat, or navigated by commercial fishing vessels, the inlet remains an essential part of Montauk’s economy, recreation, and coastal identity.

⭐ Enjoyed This Content?

Add Long Island Guide as a Google Preferred Source to see more of our local news, travel guides, and Long Island coverage in Google Search.

Add Long Island Guide