REVIEW · AUSTRALIA
Agnes/1770: Southern Great Barrier Reef Snorkelling Day Trip
The reef begins with a fast boat ride. This nine-hour trip from Agnes Water and 1770 reaches quieter parts of the Southern Great Barrier Reef, where ledges, coral gardens, walls, caves, and ancient coral bommies create a varied day in the water. I like the maximum of 10 snorkellers, which gives your guide room to offer personal help and point out small animals you might otherwise miss.
I also like the practical setup. Your wetsuit, snorkelling gear, lunch, and snacks are included, while Master Reef Guides explain marine conservation along the way. The main catch is the long return trip by speedboat and the need to be comfortable in open water. Seasickness, cold conditions, or rough weather could make the day tiring.
Sightings are never promised, but turtles, reef sharks, octopus, manta rays, and colourful fish are all possible. Recent trips have included turtles, manta rays, and reef sharks, while one January group praised the calm weather, attentive guide, and friendly crew. This is a serious reef day, not a quick coastal swim.
Key points to know before booking

- Small boat group: The tour accepts no more than 10 snorkellers, making it easier to ask questions and stay close to your guide.
- Two reef sites: You get two separate 1.5-hour snorkelling sessions, each chosen to show a different side of the Southern Great Barrier Reef.
- Long ocean crossing: The speedboat takes about 1.5 hours each way, so plan for a full day on the water.
- Wildlife possibilities: Turtles, reef sharks, octopus, manta rays, and colourful fish may appear, but sightings depend on nature.
- Full equipment provided: Snorkelling gear and a full-length wetsuit are included, along with lunch and snacks.
- Best for confident swimmers: The trip is not suitable for non-swimmers, children under 10, or people prone to seasickness.
Why this Southern Reef trip feels different

The Southern Great Barrier Reef receives less attention than the major reef hubs farther north. That matters because the tour is built around reaching quieter, less visited areas rather than staying close to shore.
You are not simply taken to one patch of coral, given a mask, and left to look around. The guide stays involved, helps you read the reef, and points out animals and formations. That can make a major difference in a small group. A reef can seem like a field of coral from the surface, but ledges, drop-offs, caves, walls, and bommies each attract different marine life.
I especially like the combination of freedom and guidance. You have time to swim and look for yourself, but you are not left guessing what you are seeing. The conservation focus also gives the day more purpose. You learn how to enjoy the reef without touching marine life or disturbing the animals.
The group limit is one of the strongest features. Ten snorkellers is still enough for a social outing, but it is far more manageable than a crowded boat where everyone enters the water at once. If you need help with your mask, want to ask about a fish, or prefer a little extra reassurance, the format should work well.
More Snorkeling Day Trips in Australia
- Cairns: Premium Snorkelling and Diving Reef Day Trip
★ 4.7 · 1,528 reviews - Lady Musgrave Day Trip from Bundaberg Including Snorkeling
★ 5.0 · 683 reviews - Moreton Island Day Trip (Kayak, Snorkel & Sandboard) frm Brisbane or Gold Coast
★ 4.5 · 633 reviews
Leaving from 1770 Marina

The meeting point is the boat Yemalla at the 1770 Marina, at 535 Captain Cook Drive. If you need to hire equipment, you must visit the dive centre at 4 Jeffery Court in Agnes Water the day before departure.
That extra stop is easy to overlook, so plan for it if it applies to you. The tour already includes snorkelling equipment and a full-length wetsuit, but the equipment-hire instruction suggests some arrangements may need to be handled before the morning of the trip.
The departure begins with a 1.5-hour speedboat ride. This is a real part of the experience, not a short transfer between two nearby beaches. You get open-water travel before the first safety briefing, so bring warm clothing even if the day begins sunny and warm.
A hat, sunscreen, water, towel, swimwear, camera, and snacks belong in your day bag. Lunch and snacks are supplied, but the packing list still advises bringing extra snacks and water. Warm clothing is particularly sensible for the ride home, when wind and spray can make you feel cooler than expected.
The 15-minute safety briefing

Once you reach the Southern Great Barrier Reef, the crew gives a 15-minute safety briefing. This is valuable preparation for a day that involves open water, boat movement, and two long snorkelling sessions.
You should listen closely even if you have snorkelled before. The guide can explain how the group will move, what to do around the boat, and how to avoid contact with coral and marine life. The rule against touching animals is simple but important. Coral is fragile, and even a harmless-looking touch can cause damage.
The briefing also gives you a chance to raise concerns before entering the water. If you are not a strong swimmer but still feel comfortable in water, be honest with the crew. The trip is not designed for non-swimmers, and no one should treat the open reef as a place to test their limits.
First 1.5-hour snorkelling session
The first snorkelling session lasts about 1.5 hours. That is a generous amount of time, enough to move through several reef features rather than making one quick circuit.
The exact site can vary, but the advertised formations include drop-offs, ledges, caves, colourful walls, coral gardens, and giant ancient coral bommies. These features give the guide plenty to explain and give you more than one type of view below the surface.
Drop-offs can offer a sudden change in depth, while ledges and caves provide shelter for smaller animals. Coral gardens are usually a good place to watch fish moving through the structure. Large bommies give the reef a sense of scale and can be especially interesting when viewed from several angles.
You may see turtles, reef sharks, octopus, and many kinds of colourful fish. Manta rays have also been seen on recent outings. Still, you should approach the wildlife list as a possibility rather than a promise. Ocean conditions, visibility, season, and animal behaviour all affect what appears.
The guide is one of the most useful parts of this session. A turtle breaking the surface is easy to notice, but an octopus blending into coral may require a trained eye. A guide who knows the site can help you find the small details that make the reef more than a collection of bright colours.
Same base, a completely different day out:
- From Sydney: Blue Mountains Full-Day Trip
★ 4.5 · 4,471 reviews - Blue Mountains Day Trip from Sydney Including Scenic World
★ 4.5 · 2,420 reviews - From Brisbane: Moreton Island Full-Day Trip
★ 4.5 · 2,108 reviews - Cape Tribulation, Mossman Gorge, and Daintree Rainforest Day Trip
★ 4.5 · 1,961 reviews
A 45-minute break between reef sessions
After the first swim, you get a 45-minute break. This is a welcome pause because 1.5 hours in the water can be demanding, even with a wetsuit.
Use the break to warm up, drink water, eat a snack, and let your eyes rest. The schedule gives you a proper reset rather than rushing straight from one site to another.
The pause also helps split the day into manageable sections. If you are new to snorkelling, the first session gives you time to settle into your mask, breathing, and movement. You can then decide how much energy to use in the second session.
Do not expect a long shore visit during this break. The day is focused on reef time, and the schedule keeps you on the boat and around the reef sites.
Second 1.5-hour snorkelling session
The second snorkelling session lasts another 1.5 hours, at a different site. This is a strong part of the itinerary because the reef does not look identical everywhere.
A second location gives you a better chance to see different coral shapes and animal habitats. One site might reward you with open views around a wall or drop-off, while another might bring you closer to bommies, ledges, or sheltered areas.
The guide can also use this session to build on what you learned earlier. By now, you may be more comfortable in the water and better able to spot movement among the coral. If your first session included a turtle or shark sighting, the second session still has its own character rather than feeling like a repeat.
The tradeoff is stamina. Three total hours of snorkelling, split into two sessions, is a lot for anyone who is out of practice. You do not need to treat every minute as a race. Resting briefly, floating calmly, and conserving energy will make the day more enjoyable.
Lunch after the water time
Lunch follows the second snorkelling session and lasts about an hour. Lunch and snacks are included, which improves the value of the $211 price.
A meal matters on this type of day. You are spending hours in moving water, travelling by speedboat, and using more energy than you might expect. Having food arranged means you do not need to bring a full picnic or worry about finding supplies at the reef.
The provided packing list still recommends snacks and water, so I would follow it. Appetite varies, and a few familiar snacks can be useful if you need a quick boost before the return crossing.
Lunch also gives you a final rest before the boat ride home. If you are prone to feeling cold or tired after snorkelling, keep your warm clothing handy rather than packed away.
The 1.5-hour ride back to 1770
The return speedboat ride takes about 1.5 hours. By this point, the boat trip can feel like a quiet finish to the day, but it may also be the hardest section if you are tired or prone to seasickness.
People who often feel unwell on boats should take the warning seriously. The experience is not suitable for people prone to seasickness, and the long crossing leaves little room to escape the motion. The same caution applies to anyone with back problems or pre-existing medical conditions.
You arrive back at 535 Captain Cook Drive after roughly nine hours. That includes travel, two substantial snorkelling sessions, a safety briefing, a break, and lunch. This is a full-day commitment, so avoid scheduling a demanding activity immediately afterward.
What $211 gets you
At $211 per person, this is not a budget swim. The price makes more sense when you count the parts included: guided snorkelling, two reef sites, a small group, all snorkelling equipment, a full-length wetsuit, lunch, snacks, and the boat journey to the Southern Great Barrier Reef.
The small group is especially important when judging value. You are paying for access to a more personal outing, not simply a seat on a large boat. The guide can answer questions, help you explore, and point out animals during the sessions.
You should still book it for the reef, not just for the wildlife list. Turtles, sharks, octopus, and manta rays may appear, but the trip cannot control nature. If you would feel disappointed without a particular animal, the price may seem high.
For someone who wants a guided day at quieter reef sites and values included equipment and food, the cost is reasonable. For a casual swimmer seeking a short introduction, it is probably more time and money than needed.
Who will enjoy this most
This trip suits confident swimmers, keen snorkellers, and people who want a full reef day away from the busiest routes. It is also a good match if you like learning as you go and prefer a guide who stays involved.
The maximum of 10 snorkellers should appeal to anyone who dislikes crowded water sessions. The format is also useful for people who want to ask questions about marine life and conservation without competing for a guide’s attention.
It is not suitable for children under 10, non-swimmers, people with back problems, people prone to seasickness, or people with pre-existing medical conditions. You must be comfortable in the water, and you should be prepared for a long boat crossing in both directions.
Bring warm clothes, a towel, swimwear, sunscreen, water, a hat, and a camera. Do not bring alcohol or drugs, and never touch marine life. English is the tour language.
Should you book the Southern Great Barrier Reef trip?
Book this tour if you want two long snorkelling sessions, a small group, and a guided look at less visited reef sites. The strongest reasons are the 10-person limit, the two different locations, the included full-length wetsuit, and the chance to learn about conservation while you explore.
Think twice if you dislike speedboats, tire quickly in the water, or often suffer from seasickness. The nine-hour schedule is rewarding but demanding, and wildlife sightings are never guaranteed.
If your ideal reef day includes turtles, colourful fish, coral formations, and the possibility of sharks or manta rays, this is a strong choice from Agnes Water and 1770. Pack warmly, pace yourself, and let the guide help you notice the reef’s smaller details.
FAQ
Where does the tour depart from?
The tour departs from the boat Yemalla at the 1770 Marina, located at 535 Captain Cook Drive.
Where do I go if I need equipment hire?
If you require equipment hire, visit the dive centre at 4 Jeffery Court in Agnes Water the day before the trip.
How long does the experience last?
The full experience lasts about nine hours, including the boat journeys, safety briefing, snorkelling, break, and lunch.
How long is the boat ride to the reef?
The speedboat ride to the Southern Great Barrier Reef takes about 1.5 hours.
How many people can join the tour?
The tour is limited to a maximum of 10 snorkellers.
How many snorkelling sites will I visit?
You will visit two different snorkelling sites, with one 1.5-hour session at each site.
Is lunch included?
Yes. Lunch and snacks are included in the tour.
Is snorkelling equipment included?
Yes. All snorkelling equipment is included, including a full-length wetsuit.
Can children join the tour?
Children under 10 years old cannot join this experience.
Is the tour suitable for non-swimmers or people prone to seasickness?
No. The experience is not suitable for non-swimmers or people prone to seasickness. It is also not suitable for people with back problems or pre-existing medical conditions.
What marine life might I see?
Possible sightings include turtles, reef sharks, octopus, manta rays, and many colourful fish. Sightings cannot be guaranteed.
What should I bring?
Bring warm clothing, a hat, swimwear, a towel, a camera, snacks, sunscreen, and water.
More 1-Day Tours in Australia
- Cairns: Fitzroy Island Full-Day Trip with Optional Extras
★ 4.6 · 1,668 reviews - Kuranda Scenic Railway Day Trip from Cairns
★ 4.5 · 1,075 reviews - Green Island Day Trip from Cairns
★ 4.0 · 941 reviews - Fun, Falls and Forests Day Trip from Cairns
★ 5.0 · 906 reviews
More Snorkeling in Australia
- Moreton Island: Tangalooma Day Trip with Snorkeling Tour
★ 4.2 · 422 reviews - Airlie Beach: Outer Great Barrier Reef Snorkeling Day Trip
★ 4.5 · 156 reviews - Cairns: Snorkelling and Diving Reef Day Trip
★ 4.7 · 81 reviews - Nusa Penida day trip: boat, 4 snorkeling, Manta rays & Land tour
★ 5.0 · 2,033 reviews
Just added around Australia
- Murray River Day Trip from Adelaide Including Lunch Cruise aboard the Proud Mary★ 4.0 · 105 reviews
- “Discover Hahndorf: Wine, Cheese, Beer, Shops & Lunch Day Trip”★ 5.0 · 38 reviews
- Barossa and Hahndorf Day Trip from Adelaide Including Wine Tasting and Lunch★ 4.5 · 44 reviews
- From Cairns: Atherton Tablelands and Paronella Park Day Trip★ 4.9 · 83 reviews
- Cairns: Daintree, Mossman Gorge, & Cape Tribulation Day Trip★ 4.6 · 614 reviews
- Port Lincoln: Coffin Bay Seafood, Wine, and Nature Day Trip★ 4.6 · 43 reviews
- Pinnacles, Koalas, 4WD & Sandboarding Tour from Perth★ 4.7 · 306 reviews
- From Melbourne: Reverse Great Ocean Road Day Trip with Lunch★ 4.5 · 123 reviews
Day Trips from Australia, compared.

Blue Mountains Day Trip from Sydney Including Scenic World
Read our review →
Cape Tribulation, Mossman Gorge, and Daintree Rainforest Day Trip
Read our review →
Fitzroy Island Full-Day Trip with Optional Extras
Read our review →
Premium Snorkelling and Diving Reef Day Trip
Read our review →Browse the lists this tour appears in




