New Castle Island Homes

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  $2,295,000 Pending

  • 5 Beds
  • 3.5 Baths
  • 3,039 Sq Ft

  57 Old Bay Rd, New Castle, NH 03854

  Nestled within the exclusive Wentworth by the Sea community, this residence offers a unique opportunity to live one of the Seacoast’s most coveted lifestyles. Enjoy resort-style amenities including tennis and pickleball courts, a clubhouse and pool, and private beach access, adjacent to a world-class hotel, marina, and golf course. You'll love the proximity to the hotel's fine dining, sidewalk

  Kathy Corbett Tate & Foss Sotheby's International Rlty

  57 Old Bay Rd, New Castle, NH 03854
• Explore New Castle Island

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  /42

  $2,695 - $3,250 per month

  • Studio
  • 1 Bath
  • 375 Sq Ft
  • Condo for Rent

  3 Walbach St, New Castle, NH 03854

  2 blocks to the beach. minutes to downtown Portsmouth and Kittery.

  3 Walbach St, New Castle, NH 03854
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  /49

  $2,800,000 Sold Nov 14, 2025

  • 3,018 Sq Ft
  • $928/SF
  • 4 Days On Market

  • 3 Beds
  • 3 Baths
  • Built 1965

  28 Ocean St, New Castle, NH 03854

  Seaside Charm Awaits! Nestled within a picturesque seaside town, this classic Cape captures the essence of coastal New England living. Just steps from the ocean, it blends timeless charm with modern comfort — where the sound of the surf and the scent of salt air set the tone for everyday life.Inside, warm wood floors, sunlit rooms, and coastal-inspired finishes create an inviting atmosphere

  Janet Sylvester Great Island Realty LLC

  28 Ocean St, New Castle, NH 03854
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  /40

  Est $2,272,572 Not Listed For Sale

  • 2 Beds
  • 3 Baths
  • 2,012 Sq Ft

  7 Locke Rd, New Castle, NH 03854

  7 Locke Rd, New Castle, NH 03854
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  /34

  $2,400,000

  • 6 Beds
  • 3.5 Baths
  • 3,730 Sq Ft

  18 Mainmast Cir, New Castle, NH 03854

  Experience exceptional living in this rare 6-bedroom, 4-bath home set on a beautifully wooded and private lot in desirable New Castle, NH. Designed for both everyday comfort and impressive entertaining. This home features an open-concept kitchen and living area with soaring cathedral ceilings that create a sense of light and spaciousness. The chef’s kitchen is equipped with top-of-the-line

  Susan Spaulding The Aland Realty Group

  18 Mainmast Cir, New Castle, NH 03854
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  $2,695 - $3,250 per month

  • Studio
  • 1 Bath
  • 375 Sq Ft
  • Condo for Rent

  3 Walbach St, New Castle, NH 03854

  2 blocks to the beach. minutes to downtown Portsmouth and Kittery.

  3 Walbach St, New Castle, NH 03854
• 

  

  /43

  $3,200,000 Sold Nov 03, 2025

  • 3,922 Sq Ft
  • $816/SF
  • 47 Days On Market

  • 4 Beds
  • 4.5 Baths
  • Built 1999

  34 Harborview, New Castle, NH 03854

  Stunning 4 bedroom Contemporary Cape style home in sought after Wentworth community on New Castle. Located on large, 0.49 private lot tucked at the end of Harborview St. This immaculate home features meticulous landscaping and boasts incredible privacy with fenced in backyard, mature trees and partial water views. Enjoy the many benefits of Wentworth living with access to the pool, community

  Jeffrey Mountjoy The Aland Realty Group

  34 Harborview, New Castle, NH 03854
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  /37

  Est $3,950,863 Not Listed For Sale

  • 3 Beds
  • 3 Baths
  • 3,205 Sq Ft

  39 Wentworth, New Castle, NH 03854

  39 Wentworth, New Castle, NH 03854
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  /60

  $4,995,000

  • 3 Beds
  • 5 Baths
  • 4,352 Sq Ft

  167 Little Harbor Rd, New Castle, NH 03854

  Dockside in the Wentworth Community-With only six waterfront townhouses, this is the residence everyone has been waiting for. Panoramic views of the Isles of Shoals, Little Harbor, Wentworth CC and the Wentworth Marina make it immediately clear why this location is so coveted. Set along the water’s edge, where sea grass and a sandy beach blend seamlessly with a sweeping lawn and pristinely

  Jim Giampa Carey Giampa, LLC/Rye

  167 Little Harbor Rd, New Castle, NH 03854
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  /42

  $2,495 - $3,250 per month

  • Studio
  • 1 Bath
  • 375 Sq Ft
  • Condo for Rent

  3 Walbach St, New Castle, NH 03854

  2 blocks to the beach. minutes to downtown Portsmouth and Kittery.

  3 Walbach St, New Castle, NH 03854
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  /54

  $2,100,000 Sold Oct 15, 2025

  • 3,267 Sq Ft
  • $643/SF
  • 3 Days On Market

  • 3 Beds
  • 3.5 Baths
  • Built 1997

  39 Old Bay Rd, New Castle, NH 03854

  Situated in one of New Castle’s most coveted and exclusive coastal neighborhoods! As part of the the Wentworth by the Sea community, this residence offers a lifestyle unlike any other. Residents enjoy private beach access, tennis, pickleball, a clubhouse, and the pool. The marina and golf course are nearby as well.—creating a truly world-class coastal living experience.Set amid beautifully

  Margaret Pesce Great Island Realty LLC

  39 Old Bay Rd, New Castle, NH 03854
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  /32

  Est $1,677,049 Not Listed For Sale

  • 2 Beds
  • 2 Baths
  • 1,785 Sq Ft

  33 Piscataqua St, New Castle, NH 03854

  33 Piscataqua St, New Castle, NH 03854
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  /38

  $1,200,000

  • 2 Beds
  • 2 Baths
  • 1,260 Sq Ft

  175 Wentworth Rd, New Castle, NH 03854

  NEW CASTLE NEAR THE BEACH! ! First time on the market in over 45 years and only 3 owners! One level living with 4 possible bedroom locations and 3 on the first floor w/ a full bath! Bright white kitchen with a huge skylight, corian countertops, painted wood cabinets, built in shelves, and stackable laundry. Living room with wood burning FP runs the length of the house w/ hardwood floors and may

  Terri Golter RE/MAX Shoreline

  175 Wentworth Rd, New Castle, NH 03854
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  /46

  $1,545,000 Sold Oct 03, 2025

  • 1,941 Sq Ft
  • $796/SF
  • 89 Days On Market

  • 4 Beds
  • 1.5 Baths
  • Built 1750

  42 Main St, New Castle, NH 03854

  42 Main Street is an updated antique colonial located in the heart of New Castle village. It's within walking distance of the Great Island Cafe and a short stroll to the beach. The property offers views of the Piscataqua River from the patio and inside you'll find stunning wood floors, exposed brick and fireplaces that add to its character and charm. The second floor features two generous

  Laura Ludes Madden Group

  42 Main St, New Castle, NH 03854
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  /40

  Est $2,345,584 Not Listed For Sale

  • 3 Beds
  • 3 Baths
  • 2,724 Sq Ft

  5 Walton Rd, New Castle, NH 03854

  5 Walton Rd, New Castle, NH 03854
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  /60

  $4,900,000

  • 3 Beds
  • 5 Baths
  • 4,176 Sq Ft

  163 Little Harbor Rd, New Castle, NH 03854

  Water Front in the Wentworth Community – With only 6 waterfront townhouses, this is the one that everyone has been waiting for! Panoramic views of the Isles of Shoals, Little Harbor and Wentworth Marina. The setting along the water’s edge with sea grass a sandy beach and pristinely manicured gardens. Offering a 1st floor primary suite and three levels of sun-filled living space, dramatic

  Kathryn Ahlin The Gove Group Real Estate, LLC

  163 Little Harbor Rd, New Castle, NH 03854
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  /52

  $1,900,000 Sold Sep 22, 2025

  • 2,001 Sq Ft
  • $950/SF
  • 3 Days On Market

  • 3 Beds
  • 2.5 Baths
  • Built 1765

  127 Main St, New Castle, NH 03854

  Nestled in the heart of historic New Castle, this exquisite Cape seamlessly blends timeless charm with sophisticated updates. A sun-drenched four-season sunroom invites year-round enjoyment, while the serene primary suite features a beautifully appointed bathroom and a Juliet balcony overlooking a meticulously landscaped patio and award-worthy gardens. The kitchen boasts a sunlit window seat

  Caren Logan Tate & Foss Sotheby's International Rlty

  127 Main St, New Castle, NH 03854
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  /39

  Est $4,399,165 Not Listed For Sale

  • 4 Beds
  • 4.5 Baths
  • 4,651 Sq Ft

  27 Locke Rd, New Castle, NH 03854

  27 Locke Rd, New Castle, NH 03854
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  /30

  $1,295,000

  • 3 Beds
  • 2 Baths
  • 1,424 Sq Ft

  17 Elm Ct, New Castle, NH 03854

  Welcome to your cozy coastal retreat in the heart of New Castle, NH—where timeless character, serene waterfront views, and the gentle rhythm of the Piscataqua River create a warm and inviting escape. Tucked away on a quiet side street, this charming antique cottage feels like home from the moment you arrive, offering effortless living by the sea.Simply designed, this home invites you to slow

  Laura Ludes Madden Group

  17 Elm Ct, New Castle, NH 03854
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  /56

  $2,150,000 Sold Sep 18, 2025

  • 3,144 Sq Ft
  • $684/SF
  • 3 Days On Market

  • 3 Beds
  • 3.5 Baths
  • Built 2013

  22 Colonial Ln, New Castle, NH 03854

  This elegant custom William Ross design home blends classic historical influence with the functionality of modern living. Just 12 years young, it showcases exceptional craftsmanship, thoughtful design, and top-tier finishes throughout. Privately set at the end of Colonial Lane, the home is surrounded by gardens offering the perfect balance of seclusion and convenience. Just minutes from downtown

  Janet Sylvester Great Island Realty LLC

  22 Colonial Ln, New Castle, NH 03854
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  /40

  Est $1,768,158 Not Listed For Sale

  • 3 Beds
  • 3 Baths
  • 2,245 Sq Ft

  79 Main St, New Castle, NH 03854

  79 Main St, New Castle, NH 03854
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  /54

  $2,650,000 Pending

  • 4 Beds
  • 3 Baths
  • 2,500 Sq Ft

  15 Atkinson St, New Castle, NH 03854

  This is the New Castle home you’ve been waiting for.A complete renovation and truly a labor of love, this residence reflects an incredible design and impeccable attention to detail in every space. Perfectly positioned on one of the most sought-after streets in the heart of New Castle Village, you’re just steps to the water and will enjoy peek-a-boo water views from the private balcony off the

  Margaret Pesce Great Island Realty LLC

  15 Atkinson St, New Castle, NH 03854
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  /55

  $5,200,000 Sold Aug 28, 2025

  • 3,976 Sq Ft
  • $1,308/SF
  • 392 Days On Market

  • 4 Beds
  • 3.5 Baths

  30 Oliver St, New Castle, NH 03854

  Welcome to 30 Oliver Street, a rare opportunity to own a custom-built 4-bedroom, 4-bath home in the heart of New Castle. Designed by renowned Maugel Destefano Architects and built by Auger Builders, this residence blends timeless craftsmanship with modern coastal style and high-end finishes throughout.The stunning kitchen features cathedral ceilings, a large center island, hidden pantry,

  Jim Giampa Carey Giampa, LLC/Rye

  30 Oliver St, New Castle, NH 03854
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  /16

  Est $4,050,173 Not Listed For Sale

  • 5 Beds
  • 3.5 Baths
  • 3,966 Sq Ft

  38 Laurel Ln, New Castle, NH 03854

  38 Laurel Ln, New Castle, NH 03854
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  /12

  $1,200,000 Pending

  • Land
  • 0.27 Acre
  • $4,444,444 per Acre

  24 Seabreeze Ln, New Castle, NH 03854

  Buildable lot just steps to New Castle Beach! This is your chance to build your dream home with water views. Survey attached with buildable footprint.28 Ocean Road will need to sell prior to this parcel closing.Showings start for both properties on Friday the 17th by appointment.

  Janet Sylvester Great Island Realty LLC

  24 Seabreeze Ln, New Castle, NH 03854
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  /10

  $5,500,000 Sold Aug 15, 2025

  • 3,928 Sq Ft
  • $1,400/SF
  • 30 Days On Market

  • 4 Beds
  • 5 Baths
  • Built 2020

  152 Portsmouth Ave, New Castle, NH 03854

  Originally built in 1732 in eastern Massachusetts, the Joseph Ellis House is a beautifully preserved example of early New England architecture. Thoughtfully dismantled, cataloged, and reassembled in New Castle, New Hampshire, the home has been restored with care, combining period authenticity with modern craftsmanship. Now set on 1.5 acres along the scenic Piscataqua River—with a separate,

  Tony Jalbert Tate & Foss Sotheby's International Rlty

  152 Portsmouth Ave, New Castle, NH 03854
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  /24

  Est $2,861,446 Not Listed For Sale

  • 3 Beds
  • 2.5 Baths
  • 2,702 Sq Ft

  2 Mill Pond Rd, New Castle, NH 03854

  2 Mill Pond Rd, New Castle, NH 03854
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  /28

  $1,395,000 Under Contract

  • 2 Beds
  • 2 Baths
  • 1,800 Sq Ft

  14 Colonial Ln, New Castle, NH 03854

  Charming Cape in the Heart of New CastleNestled on a quiet cul-de-sac in the heart of New Castle, this adorable Cape offers a rare opportunity to bring your vision to life. Surrounded by coastal charm and village tranquility, it’s the perfect canvas to create your dream home in one of the Seacoast’s most sought-after communities. Bring your imagination — and your New Castle dreams — to make

  Margaret Pesce Great Island Realty LLC

  14 Colonial Ln, New Castle, NH 03854
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  /11

  $4,500,000 Sold Jul 31, 2025

  • 3,735 Sq Ft
  • $1,205/SF
  • 0 Days On Market

  • 7 Beds
  • 7 Baths
  • Built 1900

  40 Ocean St, New Castle, NH 03854

  First time on the market, this 1900's waterfront home on approx. .35 acres has panoramic views from almost every room, from lighthouse to lighthouse, adjacent to the New Castle beach. Straight views of Wood Island Life Saving Station and all the way to the Shoals! Currently a 3200+- s.f single family home with a separate 1152 sf detached garage apt. plus 2 gar garage. In need of major repair,

  Terri Golter RE/MAX Shoreline

  40 Ocean St, New Castle, NH 03854
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  /31

  Est $2,353,377 Not Listed For Sale

  • 4 Beds
  • 3.5 Baths
  • 3,564 Sq Ft

  51 Spring Hill Rd, New Castle, NH 03854

  51 Spring Hill Rd, New Castle, NH 03854
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  /59

  $2,300,000 Sold Jul 21, 2025

  • 1,202 Sq Ft
  • $1,913/SF
  • 33 Days On Market

  • 1 Bed
  • 1 Bath
  • Built 1981

  396 Portsmouth Ave, New Castle, NH 03854

  Spectacular views, light and privacy from this island property. Expand the current home or build your dream home on this .57-acre parcel with 300’ frontage on the Piscataqua River offering a rare deep-water access (dock in need of repair/replace) and mooring. Endless potential with elevation to support new construction not limited by flood zone requirements. The current 1 bed, 1 bath, 1200 SF

  Elizabeth Levey-Pruyn The Aland Realty Group

  396 Portsmouth Ave, New Castle, NH 03854
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  /40

  Est $2,970,602 Not Listed For Sale

  • 3 Beds
  • 2.5 Baths
  • 2,523 Sq Ft

  57 Ducks Head Unit A-13, New Castle, NH 03854

  57 Ducks Head Unit A-13, New Castle, NH 03854
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  /2

  $3,400,000 Sold Jul 18, 2025

  • 3,738 Sq Ft
  • $910/SF
  • 5 Days On Market

  • 4 Beds
  • 3.5 Baths
  • Built 1998

  24 Mill Pond Rd, New Castle, NH 03854

  Experience the pinnacle of New Hampshire coastal living in this exceptional waterfront home in the coveted Mill Pond community at Wentworth by the Sea. Perfectly sited on the water’s edge, it offers sweeping tidal views and spectacular westerly sunsets. Thoughtfully designed for comfort and connection to nature, the home features a first-floor primary suite, a dramatic vaulted living room, and

  Tony Jalbert Tate & Foss Sotheby's International Rlty

  24 Mill Pond Rd, New Castle, NH 03854
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  /40

  Est $2,205,062 Not Listed For Sale

  • 4 Beds
  • 2 Baths
  • 1,901 Sq Ft

  40 Vennard's Ct, New Castle, NH 03854

  40 Vennard's Ct, New Castle, NH 03854
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  /34

  $1,911,000 Sold Jul 02, 2025

  • 2,400 Sq Ft
  • $796/SF
  • 4 Days On Market

  • 3 Beds
  • 2.5 Baths
  • Built 1725

  11 Atkinson St, New Castle, NH 03854

  Experience the very definition of the New Castle lifestyle in a thoughtfully restored antique colonial home. Found in a coveted, peaceful, absolutely prime location: steps from the river and the heart of the village. The William Trundy House C. 1725 still has original hand-hewn beams, restored wide-pine floors, corner posts and period chimney bricks. A warm, three-bedroom residence that beckons

  John Rice Tate & Foss Sotheby's International Rlty

  11 Atkinson St, New Castle, NH 03854
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  /40

  Est $1,440,766 Not Listed For Sale

  • 6 Beds
  • 3 Baths
  • 3,971 Sq Ft

  52 Main St, New Castle, NH 03854

  52 Main St, New Castle, NH 03854
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  /60

  $3,000,000 Sold Jun 27, 2025

  • 5,671 Sq Ft
  • $529/SF
  • 114 Days On Market

  • 4 Beds
  • 4.5 Baths
  • Built 2001

  77 Abigale Ln, New Castle, NH 03854

  Stunning Custom-Built Home in New Castle - Welcome to this exquisite custom-built residence, nestled in one of New Castle's most coveted neighborhoods. Designed with unparalleled attention to detail, this home offers a unique blend of luxury, comfort, and convenience. The property is perfectly situated on an elevated lot, offering breathtaking views of the peaceful cul-de-sac and the surrounding

  Margaret Pesce Great Island Realty LLC

  77 Abigale Ln, New Castle, NH 03854
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  /34

  Not Listed For Sale

  • 3 Beds
  • 3.5 Baths
  • 2,806 Sq Ft

  172 Little Harbor Rd Unit 27-6, New Castle, NH 03854

  172 Little Harbor Rd Unit 27-6, New Castle, NH 03854
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  /51

  $3,450,000 Sold May 30, 2025

  • 3,154 Sq Ft
  • $1,094/SF
  • 57 Days On Market

  • 4 Beds
  • 3.5 Baths
  • Built 1800

  183 Portsmouth Ave, New Castle, NH 03854

  A tranquil sanctuary with breathtaking water views & sunsets, gardens & easy access to vibrant downtown Portsmouth. Nestled in the coveted New Castle community, this home offers an unparalleled lifestyle of peace, privacy, and comfort. Enjoy sweeping water views of the Piscataqua River and Little Harbor. The custom kitchen opens seamlessly to the spacious four-season sun room. This light-filled

  Janet Sylvester Great Island Realty LLC

  183 Portsmouth Ave, New Castle, NH 03854
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  /36

  Est $1,994,482 Not Listed For Sale

  • 3 Beds
  • 2.5 Baths
  • 2,266 Sq Ft

  23 Oliver St, New Castle, NH 03854

  23 Oliver St, New Castle, NH 03854

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