Luxury Hotels Atlas / Places / United States / New Castle / Wentworth by the Sea
Wentworth by the Sea
New Castle, New Hampshire, United States · Opal Collection · Accessible Luxury
Wentworth by the Sea is a Victorian resort hotel on the island of New Castle near Portsmouth, New Hampshire, first opened in June 1874. In 1905 it hosted the Russian and Japanese delegations who negotiated the Treaty of Portsmouth ending the Russo-Japanese War. It is operated by Opal Collection.
- 161 rooms
- Opened 1874
Restaurants and bars
- SALT Kitchen + Bar — Bar
Experiences
- Kayak the Scenic Waterways of Portsmouth — Guided or self-rented kayaking through tidal waterways of Portsmouth and Newcastle, including Sagamore Creek; launch near the resort.
- Guided nature walk — Walk through the grounds with a local guide pointing out ecosystems and wildlife.
- Halotherapy at the Opal Spa — Halotherapy in the Salt & Sound Lounge, a heated lounger space lined with hand-carved pink Himalayan salt blocks.
- Portsmouth Peace Treaty Day — Each September 5 the hotel joins the bellringing celebration.
Amenities
- Indoor and outdoor pools and hot tubs
- Clay tennis courts
- Catering with garden produce and freshly caught seafood
- Pastry and beverage teams
- Wentworth Country Club (tee times booked via concierge)
- Concierge
Open Wentworth by the Sea in the atlas for live weekend rates, photos, and the full folio.