- 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
- Phone
- +16034335050
- 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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