Milford Discovery Centre & Underwater...

Milford Discovery Centre & Underwater Observatory


15 Rankers Reviews

12 Face-to-Face

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Milford Discovery Centre at Harrison's Cove.
One of our guides showing visitors around.
Milford Discovery Centre & Underwater Observatory


New Zealand's only floating underwater observatory.

Hidden under the surface in Harrison Cove is a unique and beautiful environment – there’s nowhere else in the world quite like it. In the middle of Piopiotahi Marine Reserve, the Underwater Observatory enables you to experience the magic of this special world, previously the exclusive realm of divers.

Descend 64 steps (10 metres) underwater into a large, fully air conditioned viewing area where large windows with excellent optical clarity open your eyes to this deep underwater haven. Unlike an aquarium, the fish are free to come and go; it’s the people who are contained.

Why visit the Milford Discovery Centre?

- New Zealand’s only floating underwater observatory is a unique, interacting learning experience
- Be guided through the Milford Sound story on colourful information panels covering culture, heritage, history, geology and wildlife
- Watch dramatic Milford Road and Homer Tunnel avalanche videos
- Immerse yourself in a mysterious undersea world and encounter the extraordinary rare black coral and colourful sea creatures teeming just below the surface
- Thanks to its unique underwater environment, Milford Sound is home to species of black coral usually found at depths of more than 500 metres


Feature Value Info


Southern Discoveries

Commercial organisation


South IslandFiordlandMilford Sound - Fiordland National Park


  • Scenic Attractions

Business Times

Add on to any Southern Discoveries Milford Sound cruise, except the last cruise of the day. Entry is included on our Discover More Cruise. Please allow an additional 45-60 minutes.


Showing 8 reviews of 15.

David's avatar


United Kingdom

Ranking: 10/10

Highly qualified and passionate personal guides. Great interactive experience of underwater eco system.

Reviewed almost 5 years ago and experienced in January 2017

Regina Baum's avatar

Regina Baum


Ranking: 8/10

The tour in the Underwater Observatory was great. The woman talked so fascinatingly about the phenomenon and was just great. The boat tour was okay, the Sound spectacular.

Reviewed almost 6 years ago and experienced in February 2016

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Carmen's avatar



Ranking: 8/10

Discover More Cruise - worth the extra, not for the buffet lunch (though it was pretty good), but for the Discovery and Underwater Observatory. The cruise around the Sound is pretty standard but the Observatory not only gave history of the Sound but also the creatures that you can see around here.

Reviewed about 7 years ago

Niamh Duane's avatar

Niamh Duane

United Kingdom

Ranking: 7/10

Really recommend the early start to avoid the tourist busses.

Reviewed about 7 years ago and experienced in March 2014

Claudia's avatar



Ranking: 6/10

Too expensive.

Reviewed almost 8 years ago and experienced in December 2013

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Sharlene's avatar



Ranking: 1/10

Such a waste of money, there is nothing much to see, not worth paying for at all, it should be for free, even then we would have rathered miss it. We all spent most of our time sitting around waiting to be picked up again by the cruise boat.

Reviewed over 10 years ago

Maite Severins's avatar

Maite Severins


Ranking: 9/10

It is not very big and you don't need much time but seeing coloured fish swim in between corals (living ones) is a unique experience. The actual underwater tank is only a 15 metre circumference walk.

Reviewed about 11 years ago

VisualDelight's avatar


New Zealand

Ranking: 10/10

So Cool! didnt relise how much beautiful sealife lays under the sound, and its so clear. Icing on the cake of Milford.

Reviewed almost 12 years ago