Our Blog | The Ultimate Guide To The South Island

Our ultimate guide will give you all the tips you need to plan that special holiday in the South Island including Queenstown, Te Anau, Stewart Island and Milford and Doubtful Sound.

A gushing waterfall in Milford Sound on a moody day.

2 November 2026

Best time to visit Milford Sound: a season-by-season guide with month-by-month breakdown

Plan your trip with our guide to the best time to visit Milford Sound. Month-by-month weather, wildlife, and cruise tips from RealNZ, operating since 1954.

The day cruise boat sailing in Doubtful Sound

2 November 2026

Doubtful Sound vs Milford Sound – Which is right for you?

Doubtful Sound vs Milford Sound: Our guide breaks down the key differences to help you make the best choice for your Fiordland National Park adventure.

The Milford Mariner sails through the calm waters of Milford Sound, surrounded by lush green forest and steep mountains, with reflections on the dark fiord.

2 November 2026

Milford and Doubtful Sound cruise: can you do both?

Planning a Milford Sound and Doubtful Sound cruise? Yes, you can do both. Here's how to combine them, which order works, and how many days you need.

Two women enjoy a tender boat ride, wearing RealNZ branded lifejackets.

6 October 2026

A Guide to Choosing RealNZ Experiences in Southern New Zealand

Considering a trip with RealNZ? Explore the value of their nature-based experiences in Fiordland and Queenstown to help plan your Southern New Zealand itinerary.

Drone view of the centre of Queenstown lakefront with with the famous TSS Earnslaw cruising on the lake and snow-capped mountains in the background.

5 October 2026

Things to do in Queenstown in winter: a local guide to the season

Discover the best things to do in Queenstown in winter, from the TSS Earnslaw to Milford Sound day trips. Plan your trip with RealNZ, operating since 1954.

23 September 2026

Stewart Island tours: your complete guide to experiencing Rakiura with RealNZ

Plan your Stewart Island tours with RealNZ. Wild kiwi, Ulva Island birds, ferry access and more. Book direct with RealNZ.

A blue catamaran sails out of a bay in calm waters with a two sail boats docked near by.

15 September 2026

Ferry vs flying to Stewart Island: honest advice on getting to Rakiura

Planning a trip to Stewart Island? Compare ferry vs flight and book your crossing with confidence. RealNZ runs the Stewart Island Ferry daily from Bluff to Oban.

11 September 2026

New Zealand wildlife tours: a first-timer's guide to the South Island's best encounters

New Zealand wildlife tours on the South Island: wild kiwi, dolphins, penguins and rare birds. RealNZ guides show you where to find them. Plan your trip here.

9 September 2026

Meet Ashley: Walter Peak Rural Team Leader, dog handler, and now, author

Meet Walter Peak’s Ashley Tikitiki and discover her journey from rural demonstrator to team leader, dog handler and author of Walter Peak’s story.

Misty forested cliffs and snow-capped peaks reflected in the calm waters of Doubtful Sound, New Zealand, on a crisp winter day.

7 September 2026

Things to do in Fiordland: the operator's guide to New Zealand's wildest corner

Discover the best things to do in Fiordland, from Doubtful Sound cruises to Te Anau glowworm caves. RealNZ has operated here since 1954. Plan your trip now.