About N & K Marine
N & K Marine is a full-service marina on the Half Moon and Bruin Lake chain of lakes near Gregory, one mile from the Bruin Lake Campground. Sandy and J.R. Mitter bought it in August 2000, and J.R. has spent 45 years in the marine business. Repair work covers fiberglass repair, pontoon restoration and re-decking, tune-ups, oil changes, gearcase, engine and carburetor rebuilds, prop reconditioning, spring prep and winterization. Shrink wrapping is done at the shop, and indoor and outdoor storage, pickup and delivery, dock slips, pontoon rental, a boat ramp, gasoline and a parts department are also offered. Rated 4.4 from 96 Google reviews, 74 of them five stars and 12 one star. New customers are asked to call to reserve winter storage and service, and boats need two weeks of notice to be pulled from storage.
Services and details
Repairs boats or engines
YesPontoon boats
YesFiberglass and gelcoat repair
YesWinterizing and spring start-up
YesShrink wrapping
YesBoat storage
YesPickup, delivery or launch
Yes
No information yet on outboard motors, inboards and sterndrives, factory-certified engine service, personal watercraft, mobile or dockside service, canvas and upholstery, detailing. The website did not say; call and ask.
Contact
- (734) 498-2494
- 21660 Kaiser Rd, Gregory, MI 48137
- Website
- View on Google Maps
Hours
- Monday
- 9AM-5PM
- Tuesday
- 9AM-5PM
- Wednesday
- Closed
- Thursday
- 9AM-5PM
- Friday
- 9AM-5PM
- Saturday
- 9AM-4PM
- Sunday
- 11AM-4PM
Listing compiled from public sources on 2026-10-04. Report a correction or request removal. Back to boat repair shops in Howell.