Our Crew


" Here at Mercury Bay Marine, we love what we do and take pleasure in ensuring your time on the water is safe and enjoyable "








With highly trained and experienced technicians you can count on Mercury Bay Marine for ahorised high-quality service and support, customer satisfaction is top priority. 



Whether your vessel runs on petrol or diesel, our team has your needs covered.






Boat Repair Whitianga

Mark Cosgrove

Manager Director

Sales, Marine Electronics expert and Marine Mechanic

Mark and Serah established Mercury Bay Marine (formally Marine Affair) in 2008.

Mark is well known and trusted for his expertise and advice on boat parts and accessories, he is hands-on in the workshop and has solid troubleshooting skills across several areas of specialty in marine. 

Mark’s the guy to see about marine electronics and engine repowering, he is a very passionate boater and fisho who loves helping other passionate boaters and new boat owners get the most out of their time on the water. 


Phill Gaskin

Qualified Marine Mechanic


Phill's passion for marine started young, he began his apprenticeship straight out of school and has been a Marine Mechanic for over 20 years, Phil's specialty is in Outboard Engines but he's had years of experience in servicing and repair with all major brands of Inboards and Outboards.


Alex Grindrod

Apprenice Marine Technician

Alex is our new up and coming, he started with us in 2014 sweeping floors after school.

Due to Alex’s passion, dedication and enthusiasm we were only too happy to offer him an apprenticeship and he’s been going from strength to strength ever since.

Alex's hobbies are fishing and diving.


Michelle Snowdon

Admin & Accounts 


Michelle is the smiling face behind the counter and the friendly voice on the other end of the phone at Mercury Bay Marine.  Talk to Michelle about booking in your next service, or any Mercury Finance enquires.


Ian Thomas

Qualified Marine Mechanic

Anish Naidu

Marine Mechanic


In Fiji 2009 Anish first began his Marine Technician training, after working for serval years in Auckland he relocated to Whitianga to be part of our team in 2018.

Originally a Yamaha technician Anish has a great passion for working with outboards of all makes and models as well as Jet-skis. 

In his spare time, Anish enjoys water sports, especially fishing - he also makes a mean fish curry! 


Mark Craft (Crafty)

Parts and Workshop Co-ordinator 


Crafty brings years of experience working in parts and the mechanical industry.

He has a passion for fishing and boating and for anything with a motor attached.​


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