Marine Services


Marine Services

We provide a wide range of marine mechanical, engineering, outboard and part services including:

  • Aluminium welding and hull repairs, bow rails, stern rails and pipework
  • Insurance jobs
  • Custom made bait boards and live bait tanks
  • Custom modifications and accessories

Trailer Services

We custom build trailers for AwaJets and other boats plus offer a full trailer repair and maintenance service.

We can custom fit your trailer to upgrade the specifications, durability and performance, leaving you with a higher quality, stronger trailer for your boat.


Custom Aluminium Boats

Gary has over 30 years experience in the boat building industry, and has been building and racing jet boats since he was a kid. This talent and in-depth marine knowledge allows us to deliver a leading service and practical advice for our aluminium boat customers. 

We also continue to offer a custom boat building service for 3-8m aluminium jet boats and fishing boat hulls.

Comfort and safety are integral design factors in our boats and all
hulls are built to New Zealand marine survey standards and specifications.


Other Services

  • Certified Mig and Tig Welding
  • Sectional Roller – tube bending & rolling
  • Sheet metal bending & cutting
  • 4M Press Brake
  • 4M Guillotine
  • Lathe & Swage Machine


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I just want to say how happy I am with your Solar Package, especially the awesome trailer. The boat motor and trailer are set up real good. It’s a credit to you all.

Grant McGlade // //

Thank you and your company for the very professional service and correspondence in my purchase of one of your Solar Strela inflatables. 

I have completed the two hours on the initial running in at half throttle of the motor and am looking forward to the power that I feel the engine can produce in making a safe trip in the river when I have to open it up. The boat performs probably beyond my expectations in cornering and stopping in a hurry. 

Pete Salter // //

Best thing my husband has ever brought. You know I thought oh no it'll mean you'll be out with your mate's 247, but no it has brought our family closer and we have had many family adventures boating all across New Zealand. Stewart Island, Lake Hauroko, Wairaurahiri River, lake wanaka, the Wilkin, the horomanga, the whirinaki, waimana river, waioweka gorge, rangiteiki river, amongst a few, best purchase ever.

Karen - Facebook Comment // //

My husband and I were privileged to be able to hunt with Gary on his boat and what an awesome experience it was. We were able to penetrate deep into the Ngahere via the river. We quickly accessed the good hunting spots. These spots would normally take a long day of walking to access.

The boat managed the problematic areas of the river with ease and our comfort was not compromised. The boat was more than capable of the payload of 3 people, 3 dogs, and our hunting gear. Not to mention our harvested quarry on the return trip home.

Tui Keenan // //

I have been using GT Marine and Alloy services for over 10 years now for all alloy repairs to my truck and trailer units. Their workmanship and service are second to none. I would have absolutely no hesitation in recommending them.

Jonathan Hayward // //
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