Welcome to
Seawalker Green Island

Walk on the sea floor of a Great Barrier Reef island!

  • Action Packed

    Allow 60 minutes for your Seawalker adventure from safety briefing to finish. (underwater approximately 15-20 minutes)
  • Easy

    It’s fun and easy! Ideal for non-swimmers and no experience is necessary.
  • Safe

    Your whole underwater experience is fully supervised by our qualified instructors.

The unique and exciting Seawalker Helmet Dive Tour

Seawalker Green Island offers an amazing underwater helmet diving experience on the Great Barrier Reef. It’s unique in that you walk on the seafloor surrounded by colourful tropical fish and corals at beautiful Green Island, a 6000 year old coral cay. There is no equipment to operate and non-swimmers are welcome; Seawalker is accessible to almost everyone and you don’t even have to get you hair wet!

Immerse yourself in the marine wonderland of the Great Barrier Reef and discover the underwater world from a different perspective. It’s a fun and engaging adventure you can share with your family and friends.

Easy as 1, 2, 3!

  • Learn about safety

    Listen to a 5 minutes simple and informative safety briefing about this unique experience.

  • Don the helmet

    We will lower the Seawalker helmet onto your shoulders and send you into the water with our experienced and qualified guide.

  • Walk on the seafloor

    Walk and enjoy the beautiful coral and colourful fish that surround you in the Great Barrier Reef.

Where the fun starts

You’re just a few steps away from an amazing underwater adventure!

Getting to Green Island

Seawalker is an optional activity with Great Adventures’ Green Island cruises.
Your transfer ticket to Green Island is at an additional cost.

Green Island is 27 km from Cairns in Tropical North Queensland, the gateway to the Great Barrier Reef. Departing from Cairns, your transfer will take approximately 45 minutes aboard one of Great Adventures fast catamarans. You can choose any combination of the following departure times from Cairns and Green Island:

Depart Cairns 8:30am 10:30am
Depart Green Island 2:30pm 4:30pm

Check-in at Great Adventures counter inside the Reef Fleet Terminal, 1 Spence Street Cairns. Check-in is 30 minutes prior to scheduled departure time.

SEAWALKER PRICE: $198 per personPrice is in addition to your cruise fare to Green Island.
PACKAGE & SAVE  save $41Save $39 per an adult ($34 for a child) when you package Seawalker with Great Adventures’ Green Island Eco Adventure. In addition to your Seawalker experience, your Green Island Eco Adventure also includes the choice of snorkelling or a glass bottom boat tour.

Read: Scuba & Helmet Diving Safety and Medical Information

FROM CAIRNS TERMINAL Adult Child (12-14 yrs)
Green Island Eco Adventure and Seawalker Green Island $273.00 $225.00

Prices are in Australian dollars and valid to 31 March 2025.
Credit card surcharge may apply.

We recommend pre-booking Seawalker to avoid disappointment as daily spaces are limited. You can however book onboard your Great Adventures cruise or at the Island Dive Shop, dependent on availability.

Commonly asked questions about Seawalker

The warm waters of Tropical North Queensland make for year round comfort for water activities. In cooler months however, the complimentary wet suits will keep your body warm.

You will descend down the ladder slowly, so it’s easy to equalize the pressure.

The minimum age is 12 years old, but there is no upper age limit providing you pass the medical questionnaire.

Your instructor will guide you down to around 5 metres deep, an ideal and comfortable depth to experience the reef in a stress free environment.

You will be walking alongside the coral and fish underneath our platform. Even during poor weather, you will still be able to have a great viewing experience close to the reef and marine life.

No. Due to safety procedures you will be unable to take a camera underwater with you however a professional photographer will take your photos and these will be available to purchase.

Send us a message

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Seawalker Green Island

Green Island, Great Barrier Reef

Phone: +61 7 4044 9944

Book online now