Top picks for Port Douglas Day tours

Discover 199 Day tours in Port Douglas on Trip.com, updated February 19, 2026, with experiences lasting from 1 to 14 hours. Find the perfect adventure for your day!

From EUR 47.71 per person, with an average total of EUR 138.26. Choose the option that suits your plan.

With 3.339k verified reviews, Day tours Port Douglas boast an average rating of 4.6.

This week's most popular Day tours: "Great Barrier Reef Snorkeling and Diving Cruise from Cairns", with 1.227k reviews and a 4.8 rating.

Now on Trip.com: "Free turtle plush toy - Cairns Reef Magic Moore Reef Great Barrier Reef 1-day tour", a 8-hour adventure in Port Douglas!

The next available day tour departs on February 20, 2026. Book now to secure your spot!

Port Douglas Day tours usually take about 8 hours — perfect for a relaxed, immersive experience!

92% of Port Douglas Day tours now offer English-speaking guides

February is perfect for visiting Port Douglas! Choose from Day tours available day tours, including seasonal hits like Great Barrier Reef Snorkeling and Diving Cruise from Cairns.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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199 results for Port Douglas Day tours

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Reviews/Trip Moments

Reviews: Great Barrier Reef Snorkeling and Diving Cruise from Cairns
Guest User2024-09-14
Fantastic day with great staff who look after every need. We stopped at two reefs and had a great deal of time at each. I felt very safe and secure throughout, they really look after everyone. Great lunch too with options for everyone. The fish and reef were beyond incredible and I only wish I could have stayed longer in Cairns as I would absolutely repeat this tour!
Reviews: Free turtle plush toy - Cairns Reef Magic Moore Reef Great Barrier Reef 1-day tour
Guest User2025-11-03
I'm so disappointed that the photo service is gone ㅠㅠ I saw the Napoleon fish that I wanted to see so badly, but I just passed by with my eyes 😭 People without a GoPro have no way to take a picture even if they saw it right in front of them 😭
Reviews: Cairns Green Island Big Cat half-day tour with snorkeling/glass-bottom boat
Guest User2026-01-31
Since we only had a short stay, we decided to take a quick afternoon tour. The boat ride to the island was very rocky due to the rain and rough weather. I got seasick and couldn't move, so I recommend taking motion sickness medicine if you are prone to seasickness. I was impressed to see sea turtles swimming gracefully nearby.
Reviews: Cairns Great Barrier Reef 1-day tour with Silverswift [Optional scuba diving]
Guest User2024-03-30
The outer Barrier Reef is really beautiful, and the corals are all colored. The reason why I chose sliver swift must be because of the professionalism, Yinyan is simply a gospel for diving lovers. After close contact with the coral, I will find that the original "Coral Sea" really exists!
Reviews: Cairns: Green Island Snorkelling or Glass Bottom Boat
Guest User2026-02-11
A day on green island was amazing. We chose the snorkelling option (did have to pay extra for a stinger suit but well worth it) we then saw the crocodiles and had lunch which was really good too. Perfect day - so many turtles and fish! 100% would recommend.
Best Contact Center 2024 - Bronze
Best Contact Center 2024 - Bronze