Intracoastal Waterway in the context of "Navigability"

Long Island Sound is a marine sound and tidal estuary of the Atlantic Ocean. It lies predominantly between the U.S. state of Connecticut to the north and Long Island in New York state to the south. From west to east, the sound stretches 110 mi (180 km) from the East River and the Throgs Neck Bridge in New York City, along the North Shore of Long Island, to Block Island Sound. The sound forms part of the Intracoastal Waterway.

A mix of freshwater from tributaries, and saltwater from the Atlantic Ocean, Long Island Sound is 21 mi (34 km) at its widest point and varies in depth from 65 to 230 feet (20 to 70 m).

Block Island Sound is a marine sound in the open Atlantic Ocean, approximately 10 miles (16 km) wide, separating Block Island from the coast of mainland Rhode Island. On the west, it extends to Montauk Point on the eastern tip of Long Island, as well as Plum Island, Gardiners Island, and Fishers Island, all in the state of New York.

Geographically, Block Island Sound extends west to Long Island Sound, Napeague Bay, and Gardiners Bay and east to Rhode Island Sound. The Block Island Sound forms part of the Intracoastal Waterway.

Rhode Island Sound is a sound off the coast of the U.S. state of Rhode Island at the mouth of Narragansett Bay. It begins east of Block Island Sound, continues to the east to Buzzards Bay, and opens south into the Atlantic Ocean between Block Island and Martha's Vineyard. The sound forms part of the Intracoastal Waterway.

The Jacksonville Beaches, or Jax Beaches known locally as "The Beaches", are a group of towns and communities on the northern half of San Pablo Island on the US state of Florida's First Coast. These communities are separated from the main body of the city of Jacksonville by the Intracoastal Waterway. The Jacksonville Beaches are located in Duval and northern St. Johns counties, and make up part of the Jacksonville metropolitan area. The main communities generally identified as part of the Beaches are Mayport, Atlantic Beach, Neptune Beach, Jacksonville Beach, and Ponte Vedra Beach.

Pompano Beach (/ˈpɒmpənoʊ/ POM-pə-noh) is a city in Broward County, Florida, United States. It is located along the coast of the Atlantic Ocean, just north of Fort Lauderdale and 36 miles north of Miami. The nearby Hillsboro Inlet forms part of the Atlantic Intracoastal Waterway. It is a principal city of the Miami metropolitan area, which was home to 6.14 million people in 2020. As of the 2020 census, the population was 112,046, making it the sixth-largest city in Broward County, the ninth-largest city in the South Florida metropolitan area, and the 20th-largest city in Florida.

Pompano Beach Airpark, located within the city, is the home of the Goodyear Blimp Spirit of Innovation.

The Port of Miami, styled as PortMiami and formally known as the Dante B. Fascell Port of Miami, is a major seaport located in Biscayne Bay at the mouth of the Miami River in Miami, Florida. It is the largest passenger port in the world and one of the largest cargo ports in the United States.

The port is located on Dodge, Lummus and Sam's Islands, which is the combination of three historic islands (Dodge, Lummus and Sam's Islands) that have since been combined into one. It is connected to Downtown Miami by Port Boulevard—a causeway over the Intracoastal Waterway—and to the neighboring Watson Island via the PortMiami Tunnel. It is named in honor of 19-term Florida Congressman Dante Fascell.

The Charleston Harbor is an inlet (8 sq mi/20.7 km) of the Atlantic Ocean at Charleston, South Carolina. The inlet is formed by the junction of Ashley and Cooper rivers at 32°49′7.10″N 79°55′40.41″W / 32.8186389°N 79.9278917°W / 32.8186389; -79.9278917. Morris and Sullivan's Islands shelter the entrance. Charleston Harbor forms part of the Intracoastal Waterway.

The Toms River is a 41.7-mile-long (67.1 km) freshwater river and estuary in Ocean County, New Jersey, United States. The river rises in the Pine Barrens of northern Ocean County, then flows southeast and east, where it is fed by several tributaries, and flows in a meandering course through wetlands. The river empties into Barnegat Bay—an inlet of the Atlantic Ocean—and the Intracoastal Waterway at Mile 14.6.

Little Egg Harbor is a brackish bay along the coast of southeast New Jersey. It was originally called Egg Harbor by the Dutch sailors because of the eggs found in nearby gull nests.

The bay is part of the Intracoastal Waterway.