Great Barrier Reef visitor guide: What to know & do once you’ve booked your tour
Australia’s Great Barrier Reef, made up of nearly 3,000 distinct reefs and home to over 9,000 marine species, is a living natural wonder. Ready for your own adventure? Here’s how to make the most of every moment, with insight from those who’ve experienced it first-hand.
💬 “The best experience of my lifetime. A must-do on anyone’s bucket list. I’ll never forget this.” — Lea D.
What to pack & prep for your Great Barrier Reef tour
Packing smart can make your reef trip seamless. Visitors who forgot small essentials often regretted it:
Reef-safe sunscreen (zinc or titanium dioxide): protect both your skin and the coral.
Seasickness tablets: even strong swimmers said the boat ride was rougher than expected.
Swimwear under your clothes: changing space is limited.
Prescription masks: available if arranged, but bring your own if you rely on them.
Underwater camera/GoPro: countless families wished they’d captured more of their once-in-a-lifetime encounters.
Light jacket: sea breezes can chill you on deck.
Medical must-haves: inhalers, seasickness bands for kids, and any daily meds.
Documents: Bring your ticket confirmation, ID, and check whether your operator has already included the Marine Park fee.
💬 “Ladies: Wear your swimwear underneath to save time. Changing rooms were small and crowded.” — Chris Z.
Travel & arrival tips
Most tours depart from Cairns Reef Fleet Terminal or Port Douglas Crystalbrook Marina. Arrive 30–60 minutes early to allow for check-in, safety briefings, and gear fitting.
Transfers: Some companies include hotel pickups, check your voucher.
Luggage: Day tours only permit small daypacks. Overnight liveaboards offer bunks and secure lockers.
Check-in: Terminals are bustling in peak seasons, but crews keep things moving smoothly.
💬 “Everything was organised from start to finish: the transfers, gear, and briefing. We felt in safe hands immediately.” — Rahul K.
Onboard & in-water: Making the most of your Great Barrier Reef tour
1/6
Snorkeling & diving
Crews provide masks, fins, and stinger suits.
💬 “Our group had people who couldn’t swim at all. The crew patiently introduced them to snorkels using floats until everyone was comfortable.” — VN
Ideal for staying dry—many travelers report seeing even more marine life this way.
💬 “I actually saw more in the submersible than snorkeling—it’s a must-do.” — Sisi Z.
For non-swimmers
You won’t miss out; many pontoons have underwater observatories for a diver’s-eye view without getting wet.
For families
Tour providers supply small masks, flippers, and life jackets (even toddler-sized). Parents consistently praise the staff attention to children.
Wildlife watching & seasons
Whale watching (June–Oct): Humpbacks & minkes migrate past. Reef tours may stop when whales appear.
Turtle nesting (Nov–Apr): See turtles lay eggs at night; hatchlings emerge on Green & Fitzroy Islands.
Coral spawning (Nov–Dec): Night snorkels reveal drifting coral eggs after the full moon.
Daily stars:Â Parrotfish, clownfish, rays, reef sharks, and sea turtles; guides help you spot them.
Spotting tips: Go early for active marine life. Try semi-sub or glass-bottom boats if you don’t swim.
Aerial tours
Scenic flights and helicopter add-ons give breathtaking perspectives of the reef, Heart Reef, and Whitsundays. Travelers often describe them as the highlight of their trip.
💬 “Our 60-minute flight left us in awe—seeing the reef stretch endlessly beneath us was unforgettable.” — D. Fontaine
Freshen up: showers on larger boats, deck rinses on smaller ones.
Disembark in groups; expect a short wait.
Backup photos immediately—too many visitors regret losing turtle shots!
Confirm shuttle pickup before boarding for the return.
💬 “We left salty, sunburnt, and smiling. Honestly, the best day of our Australia trip.” — Genesis M.
Frequently asked questions about Great Barrier Reef trips
Take medication at least 30 minutes before departure. If prone, choose larger catamarans or island-based options. Staff are used to assisting seasick travelers.
💬 “My toddler felt sick on the way there, even with seabands, but the staff were super helpful. She was fine on the way back.” — Sisi Z.
Tours rarely cancel for rain. Visibility may decrease, but guides select sheltered sites.
💬 “Paul, our guide, changed the reef spot due to tides after the rain—his experience saved the day for us.” — Hayley F.
Reef sharks are harmless, stinger risks are mitigated by suits and lifeguards.
💬 “We swam alongside a reef shark and it was magical, not scary at all.” — Kie M.
Toddlers, seniors, and non-swimmers are accommodated, with semi-subs, floatation aids, and accessible pontoons.
💬 “We saw families with toddlers and even an elderly lady who was partially sighted enjoying the day.” — HelloPeagreen
Removing anything is illegal and damaging. Instead, choose eco-photo packages for lasting memories.
Divers must be 12+, with some conditions (e.g., asthma) requiring medical clearance. Snorkeling and glass-bottom boats have no age or health restrictions.
Most tours have professional photographers; buy at least a few shots for lasting memories. GoPros rarely match quality.
💬 “By the third site my 14-year-old even had a photo shoot with a clownfish—priceless memory.” — Dayna
Half-day: Green/Fitzroy Island ferries, 4–6 hrs
Full-day: Most outer reef trips, 8–10 hrs
Overnight/liveaboard: Multi-day with sunrise dives and stargazing
Gear, lunch, and guides are usually included; extras for flights, wetsuits, photos, and drinks. Always check for surprise reef taxes on booking confirmation.