Just east of Portsmouth, New Castle is an affluent town made up entirely of islands that offers some of the most striking Oceanside scenery in all of New England. New Castle consists of approximately 1,000 residents who spread out over the town’s beautiful 500 acres. One of the more prominent features is Great Island Common, which is a large, seaside 32 acre recreational park with a quaint beach, dock, child playground, grilling & gathering spaces. It offers stunning views of Whaleback Lighthouse, Wood Island as well as the neighboring Kittery, Maine coastline. New Castle is a can’t miss destination on the coast of New Hampshire and is home to some of the most stunning residential properties in New Hampshire.

Walking, Biking or Driving

Covering a relatively small area, all of New Castle is accessible by walking or biking. You will find numerous runners and bikers along New Castle’s main windy road due to the beautiful scenery. Bookended by Rye & Portsmouth, New Castle is also easily accessible by car from either town.

The Scene

New Castle is a quiet town that is home to one of the more famous hotels/resorts in coastal New Hampshire. Wentworth By the Sea is an award winning resort that offers a variety of luxuries for its guests. Massive renovations in the early 2000’s restored this proud property back to its rightful prominence. Housing several restaurants, tennis courts, a marina, golf & spa, this wonderful retreat is also a popular destination for conferences, weddings and other large gatherings. New Castle’s historic town center is home to the New Castle Historic Society where you can learn and appreciate this town’s storied past. Henry’s Market Café, a local favorite, is a great casual breakfast and lunch option that can also be found in the heart of town. As for activities and attractions, Fort Constitution & Fort Stark are treasured historical sites that are well worth the visit. Portsmouth Harbor Light (Fort Point Light) can be found in Fort Constitution and is one of many significant lighthouses along the New England coastline.


The New Castle Historical Society is a perfect place to learn more about this historical New Hampshire town. Founded in 1623, New Castle was originally called “Great Island” and is steeped in history. Situated at the mouth of the Piscataqua River, several historical forts line the coastline, most notably that of Fort William and Mary which holds significance from the American Revolution. The town has grown nicely over the years while maintaining and cherishing its historical roots.