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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

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

June 2020

Another pre-approval certificate done and dusted!  We hold lots of preapprovals with companies like this, and it is a great way to ensure that we are continually checking our systems and audits are Read more

May 2020

Our team are getting ready to head back to Oamaru to continue work on the historic wharf.  This project (like many) was delayed due to COVID19, but our team cant wait to get back to this beautifulRead more

April 2020

This month we have completed our major audit with IMSM to ensure we have a seamless continuation of our current ISO certificates.  The ISO policies allow us to show our clients that we have theRead more

March 2020

Although this happened a few months ago it is worth giving it some space on our website page.  When you think you have had a bad day at the office – think about this job.  Our diver has to enterRead more

February 2020

Work on the Historic Holmes wharf continues as our dive team place mesh and then casings around the 80 severely deteriorated piles and fill the casings with concrete to re-strengthen the piles. Read more

December 2019

Back from a Christmas break and straight into the deep end... literally!  This diver finds himself back in the 'office' between the Christmas, and New Year break to complete an offshore vesselRead more

November 2019

Another successful ship inspection completed for MPI clearance.  These vessels are cleaned 12 nautical miles offshore in order to preserve the beautiful waters of New Zealand.  It is a demandingRead more

October 2019

We have now achieved our 5th Class approval to allow us to complete in-water surveys.  To date we have approvals with the following Class Survey companies: ABSLloydsCLass NKDNV GLBureauRead more

September 2019

Our team are working in the South Island on a pile refurbishment project again.  These lovely old wharves have been around for many many years and would have a tale or two to tell if they could! Read 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.