About Great Bay Marine
Celebrating 62 years , Great Bay Marine is New Hampshire Seacoast’s only year-round, full-service boating facility. Located just six miles up the Piscataqua River on 36 acres, we serve Portsmouth, Newington, and the surrounding communities. The marina has nearby shopping, tennis and golf. We are also located within an hour’s drive of major airports, including Boston Logan, Portland Maine, Manchester New Hampshire, and nearby Pease Air and Tradeport in Portsmouth.
Marina Amenities include:
Bath House w/ Showers and Self-Service Laundry
128 Slips, & 72 Moorings
Transient Dockage Rate: $2.00/ft
35 Ton Travel Lift and 35 Ton Hydraulic Trailer
36 Acres of Easily Accessible Boat Storage
Dedicated, Fully Enclosed Fiberglass and Paint Shop
Full boat repair and service facilities
Full winter and summer storage facilities
Fully Paved Boat Launch Ramp w/ 120′ Load/Unload Dock
Valvtect Marine Fuel Dock – Gas and Diesel
Ship’s Store and Parts Department
Lexie’s Landing Restaurant (Seasonal: Memorial Day thru Labor Day)
Free Wireless Access
No-Charge Pumpout Station
VHF Channel: 68
Electric: 120V/30Amp 250V/50Am
*** NOTE: you do need to travel under the General Sullivan bridge to get here if you are traveling from the Piscataqua River.
Height at mean low tide 52′
Height at mean high tide 46′
120′ Floating Dock
Fresh Water Rinse Available
24 Hour Access
For Boats up to 24′ (LOA)
Daily Use Passes Available – $30.00
Season Passes Available – call for pricing
Linear Docks:500 Feet
NOAA chart #13283 (click image to enlarge) and page 57 of the Region 2 Chart Kit show the approach to mouth of the Piscataqua River leading to Portsmouth, NH. A red 2.5-second flasher, whistle buoy “2KR” marks the entrance.
Approximately three nm upriver is The Memorial Bridge, an elevator span, which opens on the half-hour and hour.
A half-mile further up is the Sara Mildred Long Bridge, another elevator span, opening at 15 and 45 minutes past the hour.
The previously available 36′ vertical clearance opening at the northern end of the Sara Long is now permanently unavailable due to the ongoing construction of a complete, new Sara Mildred Long Bridge. Completion of the new bridge is scheduled for September 2017.
Both bridges monitor Ch 13.
As the Piscataqua River makes a westerly bend, the General Sullivan Bridge, with a 52′ vertical clearance, spans the river. NOAA chart #13285 covers this section. A quarter mile west is Great Bay Marine. Please note that NOAA chart depths do not reflect recent dredging by our docks to at least six feet.
Minimum Approach Depth:20.0 Feet
Minimum Channel Depth:18.0 Feet
Mean Low Water Dock Depth:10.0 Feet
Mean High Water Clearance:46.0 Feet
Services & Amenities
Last Updated: Oct 07, 2019
Closest Airport:Portsmouth International Airport at Pease
Bait & Tackle:Yes
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