For curious adventure seekers and marine researchers alike…
Oceandiversity is Auckland's and Northland’s go-to charter service for personalised, eco-conscious, safe and unforgettable ocean experiences.
What makes us different?
Our passionate team of marine experts, a modern, fully equipped vessel, and insider knowledge of Northland’s most stunning and often hidden marine sites.
Oceandiversity Sea Adventures in numbers…
Locations
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Years Experience
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Trips to date
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Adventures we thrive in…
Our small-group adventures are designed not just as recreational activities, but as educational journeys that deepen your connection to the ocean while supporting active conservation efforts.
Scuba Diving Charters
Dive into pristine underwater world with small groups and eco-conscious, expert guidance.
Freediving & Snorkelling
Glide over vibrant reefs or dive deeper on breath-hold with intimate, expert-led ocean adventures.
Spearfishing Charters
Hunt sustainably in Northland’s best spearfishing spots with guidance for all skill levels.
Commercial Charters
Reliable, certified vessel support for research, film, surveys, and commercial diving.
Scenic Tours
Discover Northland’s dramatic coastlines and marine life on a personal, small-group tour.
Water Taxi
Fast, safe, on-demand crossings for Te Araroa walkers and Whangārei Harbour explorers.
Ready for an adventure with us?
Locations we venture into
Our six most popular locations
Poor Knights Islands
Marine Reserve
Globally recognised and ranked among Jacques Cousteau’s top 10 dive sites.
Cape Brett & Motu Kōkako
(Hole in the Rock)
An iconic coastal destination teeming with marine diversity and a reliable backup site in southerly winds.
Mokohinau Islands
(The Mokes)
Remote, pristine, and adventurous, the crown jewel of Northland diving. Fewer crowds, more magic.
Great Barrier Island
A remote paradise just 100 km from Auckland, offering reefs, caves, and spectacular marine life.
Hen & Chickens Islands
Ideal for beginners and advanced divers. Shallow reefs, deep walls, and crystal-clear waters.
Bay of Islands
A diver’s playground with wrecks, reefs, and sanctuaries, from the HMNZS Canterbury to Deep Water Cove.
Want to experience any of these locations?
Our customers say…
Sven Franklin
Australia
Had an amazing time out with Blair. He really knows his spots and put us all on to kings! Was an amazing day and easily the best dive I’ve had for the whole of 2017!
Max Schofield
New Zealand
Great boat for getting (quickly) to Great Barrier and the Mokohinaus. Last trip we came up from Wellington stayed locally and Blair really looked after us, including weights.
Gray Bidgood
New Zealand
I have been on three charters with Blair, and will definitely be going on more! He put me onto my first of a bunch of species including Kingfish, Snapper, Trevally, Boarfish and more! No matter the conditions he had a spot to go dive and see awesome territory and fish life.
Hayden Dorman
New Zealand
As a beginner at spearfishing I took my first ever boat trip out with blair an was a epic day.. Blair has great knowledge on selecting spots an also helping with tips and hunting techniques. A very comfortable boat even with a full charter.. Blair runs a awesome friendly trip an do recommend to spearos of any experience always a memorable day.
Esther Stuck
New Zealand
Ocean diversity is a fantastic spearfishing charter! I really enjoyed the couple of times Blair took us out, he is an awesome guide and really knows his stuff. Blair took us to some great spots, and knew when the fish was "on"! We came home with a great haul and even scored a crayfish on our first trip out! Would highly recommend this charter with the pleasure of having a friendly, knowledgeable skipper.
Scott Walker
New Zealand
Blair runs a great charter, and knows the spots, times and tides to pick up great fish. Can't wait to get back out with Oceandiversity.
Wendy
New Zealand
Recently we took a morning boating trip with OceanDIVEsity, departing Marsden Cove, out to the Hen and Chicken Islands off the coast of Bream Bay. We had a great morning. Only six people on board plus Blair and he took us to some really superb places to snorkel.
