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# Deep Dive Division

Aotearoa's leading Commercial and Scientific Dive Specialists.

## Sitemaps

- [XML Sitemap](https://deepdivedivision.co.nz/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [ROV / Pipeline Profiler Case Study](https://deepdivedivision.co.nz/rov-pipeline-profiler-case-study/) - When low visibility made traditional inspection impossible, Deep Dive Division used multi-beam sonar and a pipeline profiling system to deliver a detailed structural assessment of a submerged pipeline asset.
- [Unmanned Surface Vehicle (USV)](https://deepdivedivision.co.nz/unmanned-surface-vehicle-usv/) - In collaboration with OceanNova, Deep Dive Division deploys USV technology for advanced coastal and nearshore marine surveying - reducing cost, improving safety, and increasing coverage.
- [Robotic Sediment Removal in Confined Marine Environments](https://deepdivedivision.co.nz/robotic-sediment-removal-in-confined-marine-environments/) - Deep Dive Division deployed a vacuum ROV system to remove accumulated sediment from a live water reservoir - no shutdown required. See how we delivered a safe, efficient solution for a local government client.
- [Icehouse Alumni win at Hi-Tech Awards](https://deepdivedivision.co.nz/icehouse-alumni-win-at-hi-tech-awards/) - Winning their category at the 2025 Hi-Tech Awards was a humbling but rewarding experience for Courtney and Tua Karalus, co-founders of commercial, scientific and robotic diving business Deep Dive Division. For Courtney, who manages the commercial side of the business, the rewards have been in the exposure for the work the Deep Dive team do; improving
- [Award winning Deep Dive Division](https://deepdivedivision.co.nz/award-winning-deep-dive-division/) - Husband and wife duo Courtney and Tua Karalus founded the Waikato based company, Deep Dive Division, which recently won the Maori Company of the Year at the New Zealand Hi-Tech Awards. Deep Dive is a commercial, scientific and robotic diving company which was started in 2018 and is guided by Te Ao Maori and Pacific
- [On The Up: Artificial reefs in Tauranga Harbour aim to restore marine life](https://deepdivedivision.co.nz/on-the-up-artificial-reefs-in-tauranga-harbour-aim-to-restore-marine-life/) - An artificial reef programme aims to restore marine life in Tauranga Harbour. The harbour experienced a significant decline in biodiversity after Cyclone Gabrielle, with a massive build-up of sediment covering reef systems. To address this, Deep Dive Division, led by Tua and Courtney Karalus, has created an underwater reef system to help essential larvae and
- [We’re Finalists — Innovation & Growth. Let’s Go.](https://deepdivedivision.co.nz/were-finalists-innovation-growth-lets-go/) - Big news for the crew — Deep Dive Division made the finalist list for the Waikato Chamber Business Awards in Innovation and Growth. We always think back to where it started...with a vision, big dreams and a workshop at home. For us, this isn’t about trophies. It’s about proving that doing things differently pays off.
- [Tua Karalus – Leading a New Era of Tech-Driven Diving](https://deepdivedivision.co.nz/tua-karalus-leading-a-new-era-of-tech-driven-diving/) - If you’ve worked with us before, you’ll know that much of Deep Dive Division’s innovation comes from Tua. With 28 years of diving experience across the world and a background in environmental science, he’s always pushed boundaries and asked the question: “How can we do this better?” That mindset is exactly what’s helping shift our
- [How We’re Blending Commercial Diving With Robotics - And Why It Matters](https://deepdivedivision.co.nz/how-were-blending-commercial-diving-with-robotics-and-why-it-matters/) - At Deep Dive Division, we’ve always believed that the underwater industry in Aotearoa is ready for a big shift. Traditional diving will always have its place - but when you combine it with robotics, drones, sonar and digital reporting, you get a whole new level of accuracy, safety and efficiency. Over the last few years,

## Pages

- [Home](https://deepdivedivision.co.nz/) - Deep Dive Division delivers quality results across commercial, civil, environmental and aquaculture focused diving. Our experience is your strength in and on the water.
- [Robotic](https://deepdivedivision.co.nz/robotic/) - To advance the imagery, accuracy and data collection for our clients - the Boxfish ROV is a key piece of kit in our artillery. Optimum health and safety, optimum data collection and visuals - so our clients can plan with precision.
- [News and Insights](https://deepdivedivision.co.nz/news-and-insights/) - Show All News & Updates Industry Insights Case Studies Events & Media We’re Finalists — Innovation & Growth. Let’s Go. News & Updates,Events & Media Tua Karalus – Leading a New Era of Tech-Driven Diving News & Updates How We’re Blending Commercial Diving With Robotics – And Why It Matters Industry Insights On The Up:
- [Case Studies](https://deepdivedivision.co.nz/case-studies/) - Robotic Sediment Removal in Confined Marine Environments Case Studies Unmanned Surface Vehicle (USV) Case Studies ROV / Pipeline Profiler Case Study Case Studies
- [Marine Robotics](https://deepdivedivision.co.nz/marine-robotics/) - Aotearoa’s Marine Robotics, Survey and Commercial Dive Specialists We’re advancing how underwater work is delivered – developing and deploying marine robotics to improve safety, increase efficiency, and produce better data, in partnership with Oceanova. Modern Approach Most underwater work still starts with people in the water. We take a different approach. We lead with robotics
- [Our Kaupapa](https://deepdivedivision.co.nz/our-kaupapa/) - Partnership, Participation and Protection are embedded in our vision. Through these pillars we have built our business model so we can work with like minded people who are committed to collaborations that enhance the health and well-being of our water.
- [Why Deep Dive Division](https://deepdivedivision.co.nz/why-deep-dive-division/) - Deep Dive Division is Aotearoa's leading commercial and scientific dive company and with 17 years experience, our tailored approach to projects and dive requirements means that you get the best results from a team that love what they do.
- [Our Story](https://deepdivedivision.co.nz/our-story/) - We are the only Maori and Pacific commercial and scientific dive company in Aotearoa. If you have a maritime or three waters projects that requires a fresh approach, the highest level of health and safety, modern technology and an integration of culture and sustainability - we can deliver.
- [Film & TV](https://deepdivedivision.co.nz/film-tv/) - Deep Dive Division has solid experience in film and tv with relation to safety diving. There are certain procedures required for this and we offer onsite water safety management strategies as well as high level recommendations to production companies.
- [Peara](https://deepdivedivision.co.nz/regenerative-infrastructure/) - Peara regenerative structures have been designed in response to the degradation of the unique freshwater and marine environments in NZ. The future of regenerative marine technology is here.
- [Environmental Services and Monitoring](https://deepdivedivision.co.nz/environmental-dive-services/) - Deep Dive Division are bio-security specialists and with Tua Karalus being a qualified environmental scientist, it allows Deep Dive Division to deliver accurate and educated reporting and analysis.
- [Salvage](https://deepdivedivision.co.nz/salvage/) - Deep Dive Division is deeply committed to a kaitiakitanga salvage initiative known as Beyond the Surface. This project arose from the team’s observations of vehicles and hazardous debris accumulating on the riverbed, which were compromising the health of the water and native species. Since 2022, the team has successfully removed 42 vehicles, 1 truck, 5
- [Infrastructure Inspections](https://deepdivedivision.co.nz/infrastructure-inspections/) - Deep Dive Division are experienced in civil infrastructure projects and work closely with council on inspections, maintenance and planning. The three waters management plans are crucial for every community and we go beyond the surface to assist councils in delivering better water for everyone.
- [Commercial and Civil Construction Dive Services](https://deepdivedivision.co.nz/commercial-dive-services/) - Deep Dive Division are experts in underwater construction and capabilities cover inspections of wharves, intakes,outfalls, submersed structures, pipelines, reservoirs, vessels and many others. We have our own ROV which use on projects that require it and are the only commercial dive company with a partnership with Boxfish Research.
- [Hull Cleans and Inspections](https://deepdivedivision.co.nz/hull-cleans-and-inspections/) - Expert offshore hull inspections & cleaning for MPI compliance. In-house divers, advanced tech, detailed reporting & minimal downtime. Trusted biosecurity specialists.
- [Contact Us](https://deepdivedivision.co.nz/contact-us/) - The team at Deep Dive Division is always open for a korero and to help brainstorm plans of attack for your dive requirements.
- [Health & Safety](https://deepdivedivision.co.nz/health-safety/) - Deep Dive Division has a comprehensive Health and Safety Management Plan that includes a Covid 19 response component. We have all the relevant and up to date pre-qualifications which provides further security for our partners and clients.
- [Privacy Policy](https://deepdivedivision.co.nz/privacy-policy/) - Who we are Our website address is: https://deepdivedivision.co.nz. Comments When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection. An anonymised string created from your email address (also called a hash) may be provided
- [Returns & Exchanges](https://deepdivedivision.co.nz/returns-exchanges/) - Change of mind It will be at the sole discretion of Deep Dive Division to accept a returned product due to a change of mind. The client must inform Deep Dive Division within 7 days of delivery of the product. Once Deep Dive Division has agreed to accept the return, the client will have 7
- [Shop](https://deepdivedivision.co.nz/shop/)

## Products

- [Kaitiaki in Action Tee](https://deepdivedivision.co.nz/product/kaitiaki-in-action-tee/) - Regular fit 100% cotton Pre-order yours now for 2-4week delivery. View Size Guide
- [The Gals and Guys Squad Deep Tee](https://deepdivedivision.co.nz/product/squad-deep-t-shirt/) - Regular fit crew neck staple tee 100% cotton View Size Guide
- [Iconic Squad Deep Tee](https://deepdivedivision.co.nz/product/iconic-squad-deep-tee/) - Regular fit 100% cotton Pre-order yours now for 2-4week delivery. View Size Guide
- [The Gals and Guys Squad Deep Hoodie](https://deepdivedivision.co.nz/product/the-gals-and-guys-squad-deep-hoodie/) - Regular fit Pullover hood with pocket 80% cotton 20% polyester View Size Guide
- [Iconic Squad Deep Shorts](https://deepdivedivision.co.nz/product/iconic-squad-deep-shorts/) - Regular fit Ribbed waistband with drawcord 80% cotton 20% polyester Pre-order yours now for 2-4week delivery. View Size Guide

## Categories

- [News & Updates](https://deepdivedivision.co.nz/category/news-updates/)
- [Industry Insights](https://deepdivedivision.co.nz/category/industry-insights/)
- [Case Studies](https://deepdivedivision.co.nz/category/case-studies/)
- [Events & Media](https://deepdivedivision.co.nz/category/events-media/)

## Tags

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## Product categories

- [Uncategorized](https://deepdivedivision.co.nz/product-category/uncategorized/)