• Tour code: 2438FDBC_SW
  • Location: Cairns, Australia
  • Duration: 8 hours (approx.)

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Walk on the sea floor of the UNESCO-listed Great Barrier Reef with a Seawalker Helmet Dive. An expert guide accompanies you into the water while your head stays dry throughout this one-of-a-kind underwater experience. You'll ride a luxury catamaran to Green Island on this day trip from Cairns, and have the option to take a glass-bottom boat cruise, a guided rainforest walk, snorkel from the beach and enjoy an optional buffet lunch on board.


  • Great Barrier Reef and Green Island day-trip from Cairns
  • See the world’s most extensive coral reef ecosystem: the UNESCO World Heritage-listed Great Barrier Reef
  • Walk along the sea floor during a Seawalker Helmet Dive and watch vibrant marine life around you, no experience needed
  • Choose from a variety of activities including a glass-bottom boat tour, snorkeling and rainforest walks
  • Have the option of a buffet lunch on the luxurious catamaran that transports you to Green Island

What You Can Expect

Green Island Day Trip from Cairns Including Seawalker Helmet Dive

Green Island

Check in at the centrally located Reef Fleet Terminal in the morning to confirm the time of your Seawalker Helmet Dive. Then board a high-speed catamaran for Green Island, located just 15 nautical miles (27 km) offshore from Cairns.
The coral cay of Green Island, covered by lush rainforest and sandy white beaches, comprises both a national park and marine park and is part of the Great Barrier Reef World Heritage Area — home to sea anemones, stingrays, giant clams, and green and hawksbill sea turtles.
Morning tea or coffee is served on board, while beverages are available for purchase all day from the licensed bar (own expense). In the afternoon, enjoy a buffet lunch, if option selected.
On arrival, your crew provides snorkeling instruction and suggests a variety of included activities in addition to the Seawalker Helmet Dive. You can take a glass-bottom boat tour, snorkeling tour or a guided rainforest walk.
At your allotted time, your guide accompanies you on the 45- to 60-minute Seawalker Helmet Dive — perfect for non-swimmers or anyone who might not be confident in the water. Your head stays dry in the helmet, allowing you to wear glasses or contacts and keep your hair dry. Suit up and get comfortable with the provided equipment, then take a walk on the sea floor of the Great Barrier Reef for a close-up look at vibrantly colored fish and coral.
Back on dry land, make use of the shower, restrooms and changing room facilities at the Green Island Resort. Canoes, sailboards, surf skis, beach chair and umbrellas are also available to rent before you’re returned to Cairns at the end of the day.

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