Best anchorages and harbours in United States

Port Sanibel Marina

Wet-slip and dry-stack marina at Punta Rassa Cove, off San Carlos Bay near the Sanibel Causeway, in south-west Florida.

Port Sanilac Marina

Full-service private marina on the west shore of Lake Huron at Port Sanilac, Michigan, immediately north of the municipal harbour.

Port Sanilac Municipal Harbor

Public harbour of refuge on the Michigan shore of Lake Huron, one block from downtown Port Sanilac, classed as a safe haven by the State of Michigan.

Port Sonoma-Marina

Marina at the mouth of the Petaluma River where it opens into San Pablo Bay, north of San Francisco.

Port Tarpon Marina

Full-service marina and boatyard near channel marker 39 at the mouth of the Anclote River, Tarpon Springs, Florida.

Port Townsend

Anchorage off the Port Townsend waterfront on the Olympic Peninsula in Washington, mud bottom.

• Sheltered NW, N

Port Washington Marina

Municipal marina of 280 berths on the Lake Michigan shore at Port Washington, Wisconsin.

Port Wing Marina

Small marina at the mouth of the Port Wing River where it meets the south shore of Lake Superior, at 9130 Beach Road, Port Wing, Wisconsin.

Porter's Seneca Marina

Full-service marina inside the mouth of Seneca Creek at Middle River, with direct access to the upper Chesapeake Bay, Maryland.

Portland Yacht Services

Full-service boatyard and shipyard on Portland's working waterfront, Maine, at 100 West Commercial Street, founded in 1981.

Portobello Marina

Small Oakland marina on the Embarcadero waterfront in the estuary, around 60 berths for boats up to 18 metres with a fuel berth on site.

Portofino Harbour Marina

Dockominium marina at 1 Portofino Plaza, Clear Lake Shores, Texas, on Clear Lake about half a nautical mile from Galveston Bay.

Portside Marina

Marina of 115 berths in downtown Kelleys Island on the south shore, Lake Erie, accommodating boats up to 24 m length and 6 m beam.

Portside Marine

Marina at Oceanside on Long Island's South Shore, on a channel inside the East Rockaway Inlet system.

Portsmouth Boating Center

Full-service marina on Scotts Creek off the Elizabeth River at Portsmouth, Virginia, at Mile 0 of the Atlantic Intracoastal Waterway.

Portsmouth Harbor Cruises

Tour-boat landing at 64 Ceres Street in downtown Portsmouth, New Hampshire, on the Piscataqua River, home berth of the M/V Heritage.

Potter Cove, Prudence Island

Sheltered anchorage on the north end of Prudence Island, in the geographic centre of Narragansett Bay, Rhode Island.

• Sheltered NW, N, NE, W, E, SE

Poulsbo Yacht Club

Members-only yacht club marina of 152 berths on the east shore of Liberty Bay in Poulsbo, in operation since 1956.

Powrplnt

Anchorage on the Cumberland River in Kentucky near a power plant, mud bottom, sheltered from NW, W and SW winds.

• Sheltered NW, W, SW

Prairie Harbor Yacht Club

A private marina of 151 berths on the Lake Michigan shore at Pleasant Prairie, Wisconsin, minutes north of the Illinois state line.

Precision Marine At Peos Bay

Engine and hull yard at Peos Bay on the St. Lawrence River, at Cape Vincent in northern New York.

Prescott Park Municipal Dock

Public floating dock on the Piscataqua River in downtown Portsmouth, New Hampshire, with 10 berths, 8 of them for visiting boats.

Presque Isle Marina

City marina on the Lake Superior shore of Marquette, Michigan, set beside Presque Isle Park at the northern edge of the harbour.

Presque Isle State Harbor

Michigan DNR state harbour on Lake Huron, 19 miles north of Alpena, in a natural bay rated as the only safe haven between Fort Gratiot and the Straits of Mackinac.

Prieto Marina

Family-run marina of 153 berths on Bayou Castine at Mandeville, on the north shore of Lake Pontchartrain in Louisiana, in operation since 1963.

Prime Marina Southampton

Full-service marina with a fuel berth on the Shinnecock Canal at Hampton Bays, since rebranded Shagwong Marina.

Princess Bay Boatmen's Association

Members' boating club on Lemon Creek at Prince's Bay, on the south shore of Staten Island, New York.

Prisoners Harbor

Anchorage on Santa Cruz Island, the largest of the California Channel Islands, about 23 NM offshore from Santa Barbara.

• Sheltered SE, S, SW, W

Private Dock

Private pontoon on Ketchikan waterfront in south-east Alaska, on the Tongass Narrows opposite Pennock Island.

Propeller Basin Marina

Family-run marina on Timber Creek, a tributary of the Salt River at New Baltimore, Michigan, near Anchor Bay in Lake St. Clair. Established 1955.