In a short six-mile stretch of Long Island Sound between the towns of Rowayton and Westport lies one of the most rewarding—if often overlooked—cruising destinations in New England. The Norwalk Islands offer tranquil views, good fishing near mussel-laden ledges, fine perches for bird watchers, and a challenging kayak trail for those looking to hone their stroke. These 20-plus islands, just a mile offshore, are largely uninhabited. In the off-season they can appear stark, with only blue herons picking through tidal flats. But in summer, the area hums with the energy of a robust fleet of power and sailboats, animating the coastline and infusing this corner of Connecticut with maritime electricity.

For seasoned mariners, the Norwalk Islands deliver an irresistible mix: tactical navigation, ecological richness, and timeless cruising appeal. From Greens Ledge to Cockenoe, this string of wooded islets and rocky outcrops—carved by glaciers some 17,500 years ago—offers adventure that feels far-flung, yet is remarkably close to shore.

A Navigator’s Puzzle

Navigating the Norwalk Islands is no casual affair. Shoals, shifting sandbars, and ledges—Hiding Rocks, Great Reef, Peck Ledge—demand attentiveness and planning. The tidal range can swing from 6 to 8 feet, and some of the channels dry out completely at low tide. For skippers with a sharp eye on the chart and a hand on the throttles, the challenge adds to the appeal.

Yet it’s not all about precision seamanship. Drop anchor behind Shea or Chimon for a quiet lunch. Fish the ledges for tautog or stripers. Or explore the winding marshes by dinghy or paddleboard, scanning the sky for osprey and the flats for heron and egrets.

A Family Destination That Feels Far Away

The Norwalk Islands have long been a summer escape for families. My family spent many summers here in our express cruiser. The kids would try to identify each island as we passed by—those with sprawling woodlands; others just a pile of rock and sand, one so small it didn’t even have a name. Cockenoe Island, the largest in the chain, is a popular anchorage with a protected lagoon. A morning walk along its eastern shore often feels like a departure from everyday life, even though the house may be just two miles north—and the Manhattan skyline visible about 40 miles to the west.

Salt marshes, sandbars, oyster beds, and a handful of historic lighthouses add texture to the experience. And while some might argue that the Norwalk Islands can’t rival places like Maine or Montauk for sheer drama, their lure is undeniable—and pure.

History In the Landscape

The Norwalk Islands also have a rich backstory. Sheffield Island was once home to a grand 19th-century mansion and still hosts a restored 1868 lighthouse, now a destination for summer tours and clambakes. Nearby Tavern Island, once owned by showman Billy Rose, drew celebrities like Marilyn Monroe. Other islands, like Copps and Chimon, were reshaped by a violent storm in 1845, and Grassy Island was partially lost to the infamous 1938 hurricane.

Wildlife and Preservation

Many of the islands fall within the Stewart B. McKinney National Wildlife Refuge. Cockenoe supports one of the largest heron and cormorant rookeries in the region, while Sheffield and Chimon serve as key stopovers for migratory birds. Harbor seals are known to rest on rocky outcroppings in winter and early spring. Boaters are urged to give wide berth during nesting season—especially from April through mid-August—and to keep noise and wake to a minimum.Facilities are few: no restrooms, no potable water, and limited dockage. Most visits require your own provisioning and a reliable anchor. But that’s exactly what appeals to experienced cruisers.

So plot your course, time your approach, and load the dinghy. Whether you’re chasing stripers, showing the next generation how to set a hook, or dropping anchor for sunset, you’ll find that the Norwalk Islands still reward those who know where to look..

Chart-Friendly Map Reference:

  • NOAA Chart Number: 12368 (available through print on demand)
  • Title: Long Island Sound – Norwalk Islands to New Haven Harbor
  • Scale: 1:20,000 (20K)
  • Coverage Area: This chart includes the Norwalk Islands, the towns of Norwalk, Rowayton, Westport, and adjacent portions of Long Island Sound.