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There's nothing we can't do underwater

Get in touch with us today to see how we can help

With 26 years and an extensive range of dive services, if you're looking for the experts you've come to the right place.

Bay Underwater Services NZ Ltd is New Zealand's largest personally owned commercial diving and marine construction company with a range of equipment that exceeds our client's expectations.

With 54 commercial divers in our dive teams qualified in a number of specialised fields, we can deliver successful outcomes on both large and small marine construction projects. Check out our services below and get in touch with us today.

Our Services

At Bay Underwater we have a range of services we can offer. Find out more below.

Our Latest News

June 2021

One of the jobs we are working on this month involves our team taking core samples of some piling so that the core samples can be sent away for testing.  This job is being completed in the SouthRead more

April 2021

ISO 9001:2015 – Quality Management Systems ISO 1400:2015 – Environment Management Systems ISO 45001:2018 – Health & Safety Management Systems PAS99:2012 – Integrated Management System YayRead more

March 2021

Cleaning vessels for clearance by MPI has been a large part of our work once again this year.  So far this year alone we have completed 20+ vessel cleans.  Cleaning these vessels BEFORE they enterRead more

February 2021

Bridge inspections through-out New Zealand are a big part of our civil diving contracts – from one end of the country to the other.  Sometimes the contract is to supply a dive team to takeRead more

January 2021

The year has started out with a ‘bang’ with our dive teams heading off in all directions: Hydro dam inspectionsVessel inspectionsVessel offshore cleaning operationsMaking a Decompression ChamberRead more

May 2021

One of the many jobs that we completed this month was a ship inspection and propeller polish (for the purpose of inspection) alongside at the Port of Tauranga.  This inspection means that the vesselRead more

December 2020

This month we have been working hard and completing several audits for our Clients.  Although we have all of the information, completing an audit comes down to information gathering as no two auditsRead more

November 2020

The wharf extensions are nearly finished, and our team have been working hard right through the year to ensure that this project gets finished on time and on budget.  The wharf extensions will be aRead more

October 2020

Another offshore clean completed, but this time we worked off the client’s vessel!  This was at the request of the client and as per usual Bay Underwater Services NZ Ltd tried to look outside of tRead more

September 2020

Another offshore vessel cleaning operation undertaken 12 nautical miles offshore.  MPI requests that we complete these vessel cleaning operations so far out at sea so that we can ensure that the bioRead more

August 2020

Queenstown - Pipeline InspectionRead more

July 2020

It has been a mammoth job for our dedicated team but the 15 containers are all packed and on their way to the beautiful paradise of Niue.  The amount of gear that gets packed for a job like this isRead more

We are industry certified and are committed to safety in the often hostile environment of marine construction

The companies we work with trust us to get the job done right.