About Open Water Marine
Open Water Marine is a boat dealer that also offers storage located at 4515 Memorial Hwy, Mandan, North Dakota.
Its phone number on Google Maps is (701) 425-5855.
There is evidence of outdoor storage. Next to each type we show where the fact comes from.
Amenities mentioned: winterization, repairs / maintenance, pontoons accepted, and jet skis / pwc.
On Google it is rated 4.8 out of 5 from 27 reviews (October 2026).
The words that come up most in its reviews are «pontoon» (5), «prop repair» (2), «jet skis» (2), and «respectful staff» (2).
If it's full, Lakewood Marina is 1.1 miles away and Bismarck Boat & RV Parking and Storage is 1.6 miles away.
Storage types and amenities
Storage types
- Outdoor boat storageAccording to its website
Amenities mentioned
- WinterizationAccording to its website
- Repairs / maintenanceAccording to its website
- Pontoons acceptedAccording to Google reviews, its website
- Jet skis / PWCAccording to Google reviews
Storage types and amenities come from the business name, its Google Maps category, its own website (read on 27 Oct 2026) or words that show up in its Google reviews. We have not checked them in person: confirm them when you call.
Open Water Marine on the map
The map loads when you reach it.
The other pins are facilities within 4 miles. Map © OpenStreetMap contributors. Locations are the ones each business publishes on Google Maps.
Before you call Open Water Marine
Have at hand
- Your boat's overall length, including the outboard or swim platform, and the trailer tongue if it stays on the trailer
- Height on the trailer (with T-top, tower or windshield) and beam
- Which storage type you want and for how long (season, winter, year-round)
- Registration and proof of insurance: most facilities ask for both
Ask
- The price per month, season or year, and what it includes (power, wash-down, launch)
- Gate access hours versus office hours, and how you get in after hours
- Contract length, deposit and notice to leave; whether there is a waiting list
- Whether you can work on the boat on site, plug in a battery tender or leave the trailer
Stored your boat here? Help the next owner
No sign-up. One vote per badge and visitor; nothing here changes the listing directly: corrections and prices are reviewed before they are published.
What did they do well?
Is it still open?
Does it offer these storage types?
- Outdoor
What did you pay?
Ask a question about this facility
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Open Water Marine: frequently asked questions
What is the phone number of Open Water Marine?
(701) 425-5855, according to Google Maps (October 2026).
Where is Open Water Marine?
4515 Memorial Hwy, Mandan, ND 58554. Open in Google Maps.
What are the hours of Open Water Marine?
Google Maps lists: Mon 8:30 am–5:30 pm; Tue 8:30 am–5:30 pm; Wed 8:30 am–5:30 pm; Thu 8:30 am–5:30 pm; Fri 8:30 am–5:30 pm; Sat Closed; Sun Closed. These may be office hours; ask about gate access.
What kind of boat storage does Open Water Marine offer?
There is evidence of outdoor storage. Confirm availability for your boat's length when you call.
How much does Open Water Marine charge?
We don't have a verified rate for this facility. Ask for the monthly or seasonal price and compare it with others in the cost estimator.
More boat storage in Mandan
- Riverwood Storage173 Riverwood Ave SE(701) 391-0880
- Indoor
- Lakewood Marina3600 40th Ave SE(701) 224-8083
- In-water
- Trailer parking
Nearby, in other towns
- Bismarck Boat & RV Parking and StorageBismarck, ND1.6 miles(701) 557-3954
- Misty Waters MarinaBismarck, ND4.4 miles(701) 255-1770
- In-water
- River City SportsBismarck, ND4.7 miles(701) 223-9003