Harbour

Safe Harbor Wentworth By The Sea

New Castle, United StatesMaine
Type
Harbour

Full-service marina in Little Harbour at the mouth of the Piscataqua River, on New Castle island near Portsmouth.

Guide

Approach and anchoring

Little Harbour opens off the main Piscataqua approach, sheltered behind New Castle island. Deep-water berths take vessels up to 60 metres. The harbour master's office works VHF and is reachable on 603 433-5050.

Practical

The marina has fuel, fresh water and shore power, a ship store, showers and a waterside restaurant. A heated pool, tennis courts and courtesy cars are on site. Office hours are weekdays 0800 to 1600.

Ashore

The Wentworth by the Sea hotel stands beside the marina. Historic downtown Portsmouth, with restaurants and shops, is a short drive across New Castle island.

History

The neighbouring Wentworth by the Sea hotel, opened in 1874, housed the Russian and Japanese delegations during the 1905 negotiations that produced the Treaty of Portsmouth, ending the Russo-Japanese War.

Key facts

Type
Harbour
Coordinates
43.05789, -70.72645 (43°3.47'N 70°43.59'W)
Town
New Castle
Country
United States
Updated
July 7, 2026

Getting there

Safe Harbor Wentworth By The Sea lies at 43°3.47'N 70°43.59'W, that is 43.05789, -70.72645 in decimal degrees.

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