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Great Island Common Park: A Seaside Retreat

Discover scenic beauty & recreation at Great Island Common Park in New Castle, NH: ocean views, beaches, playgrounds, & historical landmarks.

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Great Island Common Park in New Castle, NH, offers stunning ocean views, a sandy beach, playground, and picnic areas, making it a perfect spot for families and nature lovers seeking a peaceful escape. With historical significance and recreational opportunities, it's a must-visit destination on the Seacoast.

A brief summary to Great Island Common Park

  • Monday 6 am-9 pm
  • Tuesday 6 am-9 pm
  • Wednesday 6 am-9 pm
  • Thursday 6 am-9 pm
  • Friday 6 am-9 pm
  • Saturday 6 am-9 pm
  • Sunday 6 am-9 pm

Local tips

  • Bring a picnic to enjoy at one of the many tables and grills available, savoring a meal amidst picturesque surroundings.
  • Visit between May and October to catch the open houses at Portsmouth Harbor Lighthouse, visible from the park.
  • Pack your beach gear for swimming and sunbathing on the sandy beach.
  • Take a leisurely stroll along the scenic walking paths to enjoy the beautiful views of the Piscataqua River and Atlantic Ocean.
  • Be aware that admission is charged per carload from mid-May through Columbus Day/Indigenous People's Day.
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Getting There

  • Driving

    From Portsmouth, NH, follow Route 1B (Wentworth Rd) east towards New Castle. Continue on Route 1B, following signs for Great Island Common. After crossing the bridge onto New Castle Island, the park will be on your right. Parking is available within the park. Note that parking fees are charged per carload from mid-May through Columbus Day/Indigenous People's Day. The general admission fee is $4.00 for individuals aged 6 to 65.

  • Public Transport

    From Portsmouth, you can take a taxi to New Castle for approximately $18 - $23. Alternatively, during certain times of the year, Wildcat Transit Route 4 provides service between Portsmouth and Durham-UNH campus via Newington. The base cash fare is $1.50. From Durham, you can connect to New Castle via taxi or ride-sharing service. Check the Wildcat Transit schedule for times and availability.

  • Walking

    From downtown Portsmouth, it is approximately a 2.4-mile walk to New Castle. Follow the scenic waterfront route along the harbor. Cross the bridge onto New Castle Island and continue along Wentworth Road (Route 1B). Great Island Common will be on your right after entering New Castle. Be mindful of traffic as you walk along the road.

Unlock the Best of Great Island Common Park

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Discover more about Great Island Common Park

Great Island Common Park, located in New Castle, New Hampshire, is a 32-acre seaside haven offering breathtaking views of the Piscataqua River and the Atlantic Ocean. This well-maintained park is a popular destination for families, nature enthusiasts, and anyone seeking a tranquil retreat. The park boasts a sandy beach perfect for swimming and sunbathing, a renovated playground for children of all ages, and ample picnic areas equipped with tables and grills. Scenic walking paths and benches throughout the area encourage leisurely strolls and quiet reflection. Visitors can enjoy unobstructed views of iconic landmarks such as Whaleback Lighthouse and Portsmouth Harbor. Great Island Common also has historical significance. The U.S. Army acquired the land in 1909 to house soldiers from the 22nd Coastal Artillery, later transferring it to the Town of New Castle in 1963 for park and recreation usage. Today, the park is home to Fort Constitution, a historic military fort dating back to the early 19th century. The park is open year-round from 9 am to 9 pm, offering a variety of activities such as shell and rock hunting, kite flying, fishing, and birdwatching. Whether it's a sunny day filled with outdoor games or a peaceful afternoon spent reading by the shore, Great Island Common promises a delightful experience. Visitors should note that there is an admission fee charged per carload from May 17th through Columbus Day/Indigenous People's Day. Dogs are allowed in the park but must be leashed, except from May 15 to September 15 when they are not permitted.

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