Of the 3 marinas listed in New Castle, 3 give a phone number and 3 have a website. No national chains here — every marina on this page is independent. The nearest bigger selection is Gilford with 4.
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Portsmouth Yacht Club
76 Piscataqua St, New Castle, NH 03854
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Safe Harbor Wentworth By The Sea
116 Morgans Wy, New Castle, NH 03854
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Wentworth Marina
116 Morgans Way, New Castle, NH 03854-4438
More marinas within 30 miles of New Castle
Only 3 marinas listed in New Castle itself, so here are the closest ones in nearby towns. Distance is straight-line from New Castle.
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Portsmouth Marina
1.3 mi · 185 Wentworth Rd, Portsmouth, NH 03801
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Harbour Place Marina
1.9 mi · 1 Harbour Pl, Portsmouth, NH 03801
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Bay View Marina
7.5 mi · 19 Boston Harbor Rd, Dover, NH 03820-4645
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Marinafalls Landing at Newmarket
10.8 mi · 125 Main St, Newmarket, NH 03857-1600
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George's Marina
11.9 mi · 33 Cocheco St, Dover, NH 03820
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Hampton River Marina
12.2 mi · 55 Harbor Rd, Hampton, NH 03842
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Rockingham Boat
25.2 mi · 553 RT-111, Hampstead, NH 03841
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Dockside Marina
29.6 mi · 321 N Main St, Salem, NH 03079
Guides for marina shoppers
All guides
SafetyMarine Weather Forecasts and Warnings: Reading NOAA Reports and Coastal Maps
Learn how to interpret NOAA marine forecasts, wave periods, wind alerts, and weather charts to make safe departure decisions on any coastal or inland waterway.
SafetyBoating Safety Certification and Licensing: State Requirements and Exam Prep
This guide explains the difference between boat licenses and safety education certificates, state-by-state requirements, how to study for your exam, and what to expect on the water.
ServiceSaltwater and Freshwater Fishing Charters: Choosing Inshore, Offshore, and Deep Sea Trips
This guide explains the key differences between inshore, offshore, and deep sea fishing charters to help you choose the right trip, boat, and captain for your experience level.
New Hampshire statewide, by feature
Nearby in New Hampshire
Good to know about marinas in New Castle
How many marinas are there in New Castle?
We list 3 marinas in New Castle with addresses, and 3 of them with a phone number.
What's the surest way to check hours in New Castle?
Call ahead — 3 of the 3 marinas here list a number. Hours at independent marinas shift with seasons and staffing, so a phone call beats any listing, including ours.
What is a boat slip?
A boat slip is a designated parking space for a vessel in a marina, enclosed on multiple sides by docks. In New Castle, New Hampshire, there are 3 marinas offering secure slips, with 3 providing direct phone contact for booking on MarinaAtlas.
How much does it cost to store a boat?
Boat storage costs vary based on vessel length, location, and whether you choose wet slips or indoor dry storage. In New Castle, New Hampshire, you can explore 3 storage facilities listed on MarinaAtlas, 3 of which can be reached directly by phone.