Pacific Coast Marine and Diesel

Everything you need

From full engine repowers and installations to precision repairs and maintenance across all vessel systems, we deliver workmanship you can trust. Visit Pacific Coast Marine and Diesel in Whitianga for premium servicing and quality marine parts, pre-purchase inspections and fault diagnostics — everything you need to keep your boating experience exceptional.

Inboard Engines and Propulsion Systems

We are authorised dealers for Volvo Penta Inboard and Cummins Inboard on the Coromandel Peninsula, and the New Zealand dealer for Alamarin Jet. Our experienced technicians work on all inboard engine and propulsion system brands, ensuring expert care no matter what you run. With a wide range of engine and propulsion options available, our team can expertly match the ideal setup to suit your vessel and your needs.

Outboard Engines

As authorised dealers for Suzuki Marine and Honda Marine outboard motors on the Coromandel Peninsula, we provide expert guidance to help you choose the ideal model for your vessel. Our extensive range of outboard parts supports fast, reliable repairs and servicing, and our advanced diagnostic equipment allows our technicians to service all outboard makes and models. 

Boat Parts

We carry an extensive selection of marine parts and supply customers throughout Mercury Bay, the Coromandel Peninsula, and across the Pacific. For trusted advice and dependable product support, our experienced team is here to help—whether you need routine servicing or a complete engine refit. Any non‑stocked parts are typically couriered overnight, ensuring minimal downtime and keeping you out on the water.

Boat Servicing

Time for a service? As the authorised service agents for Volvo Penta Inboard, Cummins Inboard, Alamarin Jet, Suzuki Outboards, Honda Outboards, and Maxwell Winches across the Thames–Coromandel region, our team delivers certified expertise to keep your vessel performing at its best. Our experienced technicians, supported by advanced diagnostic equipment, can service all makes and models — ensuring every vessel receives the highest standard of care.

Our Workshop

Our spacious, well‑equipped workshop features undercover capacity for vessels up to 5.2 m high, ensuring year‑round service in optimal conditions. We also operate fully equipped service vehicles, providing mobile support across the Coromandel Peninsula for convenience and fast response when you need it.

Boat Accessories & Electronics

We also carry a comprehensive selection of premium marine products, including Johnson, Sherwood, Jabsco Marine, Soundguard soundproofing, Endurant marine batteries, bilge pumps, marine electronics, Cobra VHF radios, fuel‑treatment solutions and oil and chemical spill pads and kits. Our team supplies and installs Raymarine electronic systems alongside other leading brands, offering expert technical advice to ensure you receive the most suitable equipment for your vessel and application.