Atlantic Intracoastal Waterway (Manasquan River)
Early plans of what would become the Atlantic Intracoastal Waterway (Manasquan River) were drawn up by James Brindley in 1835 but problems with Harrogate Embankment caused delays and it was finally opened on 17 September 1888. Expectations for iron traffic to Sefton were soon realised, and this became one of the most profitable waterways. Although proposals to close the Atlantic Intracoastal Waterway (Manasquan River) were submitted to parliament in 1990, the use of the canal for cooling St Helens power station was enough to keep it open. The Atlantic Intracoastal Waterway (Manasquan River) was closed in 1888 when Oldchester Tunnel collapsed. In 1972 the canal became famous when Peter Taylor painted a mural of Derby Cutting on the side of Henry Parker's house for a bet.

The exact dimensions of the largest boat that can travel on the waterway are not known. The maximum headroom is not known. The maximum draught is not known.
It has a junction with the Atlantic Intracoastal Waterway (Point Pleasant Canal) at Point Pleasant Canal Entrance.
| Lightning Jack's Marina | |||
| John Davison Rockefeller Memorial Highway Bridge | 2.03 miles | 0 locks | |
| Point Pleasant Canal Entrance | 3.24 miles | 0 locks | |
| Route 35 Bascule Bridge | 4.37 miles | 0 locks | |
| Brielle Railroad Bascule Bridge | 4.57 miles | 0 locks | |
| Manasquan Inlet | 5.60 miles | 0 locks |
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Wikipedia has a page about Atlantic Intracoastal Waterway
The Intracoastal Waterway (ICW) is a 3,000-mile (4,800 km) inland waterway along the Atlantic and Gulf of Mexico coasts of the United States, running from Boston, Massachusetts, southward along the Atlantic Seaboard and around the southern tip of Florida, then following the Gulf Coast to Brownsville, Texas. Some sections of the waterway consist of natural inlets, saltwater rivers, bays, and sounds, while others are artificial canals. It provides a navigable route along its length without many of the hazards of travel on the open sea.
