Reviewed · GREAT BARRIER REEF CRUISES
Seastar Luxury Outer Great Barrier Reef Island and Reef Tour
Michaelmas Cay and Hastings Reef in one day. I love the small group of up to 36 and the way this trip builds in both a snorkel adventure and a glass-bottom boat ride at the cay. The one thing I’d watch is motion sickness risk, because when the sea gets choppy the ride can feel bumpy and space can be tight.
This full-day Seastar run is built for people who want the Outer Great Barrier Reef experience without constant stress. You get morning and afternoon tea, a buffet lunch, and all the core snorkeling gear plus wetsuit or seasonal stinger suit, buoyancy vest, and noodle.
Scuba is optional extra, not included, and it may require a scuba medical for some conditions. If you stay with snorkeling, you can move through the day with confidence under guide supervision.
In This Review
- Key points before you go on Seastar
- Why Michaelmas Cay and Hastings Reef are such a good pairing
- The 7:30 am start: Cairns Marlin Marina and what the schedule feels like
- Michaelmas Cay: glass-bottom views plus guided snorkel time
- Hastings Outer Reef: your second snorkel stop, with another shot at good visibility
- Snorkeling gear, stinger suits, and how the crew keeps you moving
- Meals onboard: lunch buffet and tea breaks that actually help
- Boat feel, space, and seasickness reality checks
- Value math: is $190.07 worth it for this Outer Reef day?
- Who should book Seastar, and who might skip it
- Should you book this Seastar Outer Reef tour?
- FAQ
- How long is the Seastar Outer Great Barrier Reef cruise?
- Where do I check in for the tour?
- What reef locations does the tour visit?
- Is snorkeling gear included?
- Is scuba diving included?
- Is lunch included?
- What happens if weather is poor?
Key points before you go on Seastar

- Up to 36 passengers keeps the day feeling less like a cattle car and more like a managed outing in the water
- Two Outer Reef areas means you get a second chance at great snorkel conditions at Hastings Reef after Michaelmas Cay
- Glass-bottom boat at Michaelmas Cay gives you a low-effort way to spot what’s happening under the surface
- All the water gear is included: mask, snorkel, fins, plus wetsuit or seasonal stinger suit, buoyancy vest, and noodle
- Guided snorkel support at both stops helps you find coral and fish without guessing
- Meals are handled on board with buffet lunch and morning and afternoon tea, which is a big deal on a day at sea
Why Michaelmas Cay and Hastings Reef are such a good pairing

This is one of those reef days that doesn’t waste your time. You head out to Michaelmas Cay first, then continue on to Hastings Outer Reef, so you’re not stuck doing one snorkel session and waiting around for the return.
Michaelmas Cay is the kind of place you understand immediately once you see it. It’s an uninhabited coral cay in the outer reef system near Cairns, and it’s known as one of the largest uninhabited coral cays in the Cairns area. That matters because it’s a proper destination, not just a quick stop.
Hastings Reef adds variety. It’s a typical outer reef with breakers marking the area, and because it’s farther out from Cairns, you generally get that classic outer-reef feel. I like that the trip gives you two different snorkel zones with guided help.
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The 7:30 am start: Cairns Marlin Marina and what the schedule feels like

The day is built around a morning departure. You check in at 7:30 am at Cairns Marlin Marina, Finger E on board Seastar, and the tour runs about 7.5 hours total.
Here’s why that early timing is valuable. You’re going to spend the middle of the day out on the reef, which is when you want your snorkeling time, not at the end of a long day with everyone tired. Multiple stops also helps smooth the day, because if you don’t love the first water conditions, you still have time at the second location.
You’ll return to the drop-off point around the Esplanade area after the two reef stops and lunch, with no need to coordinate your own transport from the marina. If you’re staying in central Cairns, that’s a simple way to end the day without more planning.
Michaelmas Cay: glass-bottom views plus guided snorkel time

Michaelmas Cay is about 22 nautical miles (around 40 km) from Cairns, so you’ll feel that you’re really leaving the city behind. The payoff is a full stop at the cay, with time for both a glass-bottom boat experience and snorkel time.
The glass-bottom component is a smart move for reef first-timers. Even if you’re not fully confident in the water yet, you can still look for coral structure and fish movement from above, with the boat view doing some of the heavy lifting. People also tend to find it helps you get your bearings before you put your face in the water.
For snorkeling, you’re not just handed gear and sent away. The day includes a guided snorkel tour at Michaelmas Cay, and the crew runs it with safety and comfort in mind. You can also choose to snorkel independently in the area, which I appreciate because it lets you set your own pace.
What to expect under the surface here is what the Outer Great Barrier Reef is famous for: coral formations and plenty of fish activity around the reef edges. One thing I like about this cay stop is that you’re doing both the easy viewing and the actual snorkeling, so you get multiple chances to enjoy what’s happening.
Hastings Outer Reef: your second snorkel stop, with another shot at good visibility

After Michaelmas Cay, you head to Hastings Reef, part of the Outer Great Barrier Reef. Hastings is roughly 30 nautical miles out from Cairns, and it’s described as a typical outer reef area, often marked by a line of breakers.
That second stop is more than a bonus. It gives you a reset. Reef days can be weather-dependent, and even when conditions are decent, water visibility can change a bit by location, current, and time of day. By doing both locations, you give yourself a better chance that at least one stop will feel like a standout.
You’ll get guided snorkel time at Hastings Reef as well. This is one of the practical reasons I’d pick this style of tour over a do-it-yourself plan: the guide support helps you focus on the best areas and spend your time with your head up, mask on, and attention where it counts.
If you’re traveling with people who are less confident in the water, Hastings can also be a good equalizer. The crew manages equipment, positioning, and supervision, which means everyone can participate without turning it into a stressful ordeal.
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Snorkeling gear, stinger suits, and how the crew keeps you moving

This tour takes care of the essentials so you can focus on the reef. You’ll be given mask, snorkel, and fins, plus a buoyancy vest and noodle. You also get a wetsuit or a seasonal stinger suit, depending on what’s in use for the time of year.
I especially like the buoyancy setup. It’s not just gear, it’s confidence. When you’re snorkeling in open water, having proper flotation makes it easier to breathe, stay oriented, and avoid panic behaviors that can ruin the experience for everyone around you.
The guides are also part of the value. Many reef tours feel like a long swim lesson you didn’t ask for. Here, supervision is there so you can snorkel by yourself in the area, or follow a guide if you want help finding coral beds and fish.
Practical tip: do your best to get comfortable with the snorkel before you hit the water. Once you’re out there, small adjustments matter, and you’ll enjoy the reef more if you’re not spending the first minutes fiddling with fit.
If you’re considering scuba, remember it’s optional and extra cost. Some medical conditions and recent operations can prevent participation, and the operator notes that you may need a scuba medical to Australian Medical Standard AS4005-1. If scuba matters to you, check that requirement early so you do not lose time later.
Meals onboard: lunch buffet and tea breaks that actually help

A full-day reef trip lives or dies by food. Seastar includes morning and afternoon tea plus a buffet lunch, all on board an air-conditioned vessel.
The buffet is casual and filling, and that matters because after snorkeling you’ll want something that feels normal, not just snacks. People have specifically mentioned items like salads, chicken, and vegetable bake, and they also report vegan options. That’s a good sign if your group has dietary needs beyond the standard meat-and-two-sides.
Cold drinks and snacks are not listed as included, so if you’re a constant sipper or you know you get hungry between tea and lunch, plan to bring or buy extra where possible. The included tea breaks will cover the core energy gap, but reef days can make you feel hungrier than usual.
Also, because you’ll be at sea for hours, having meals handled removes one of the big sources of stress. No one has to guess where to eat or whether the restaurant will be open when you’re back from the water.
Boat feel, space, and seasickness reality checks

The trip is capped at a maximum of 36 travelers, which most people interpret as a more comfortable size. Several guests highlight that the small group and attentive crew make the day feel personal and manageable.
Still, one consideration is that the vessel can feel snug when it’s fully booked. A couple of guests mentioned that seating felt tight and the boat felt smaller than they expected. That lines up with what you should expect from a compact, air-conditioned reef cruiser, especially once everyone is wearing wet gear and gear is stowed properly.
The other real-world issue is motion. Some people describe the journey as bumpy and suggest taking precautions for seasickness. If you know you’re prone to it, I’d take that seriously. A small planning step here can make the difference between a great reef day and a day where you count minutes until you’re back on land.
Value math: is $190.07 worth it for this Outer Reef day?

At $190.07 per person, you’re paying for a full day at sea with real structure. What makes it feel like value is that core snorkeling participation is supported: gear is included, you get wetsuit or seasonal stinger suit, buoyancy tools are included, and guided snorkel support is built into the two reef stops.
Also, meals are included. When a tour includes lunch plus morning and afternoon tea, you’re saving the time and cost of figuring that out yourself on a day that is already logistically heavy. For many people, that alone helps the price feel more reasonable.
The big add-on to watch is scuba. Introductory and certified scuba are listed as optional extras with additional cost. And return bus transfer is not included, at least for Cairns City area or Northern Beaches and Outer Cairns area. So your total budget might be a little higher if you need transport to and from the meeting area.
If you can cover transport yourself or you’re staying close, this price looks more like a straightforward packaged reef day. If you need transfers and you’re adding scuba, budget upward accordingly.
Who should book Seastar, and who might skip it
This is a great fit if you want a guided Outer Great Barrier Reef experience without trying to DIY the hardest parts. I’d especially recommend it to snorkeling first-timers, families, and groups that want structure, safety focus, and time in the water.
It also seems well suited to travelers who need a bit more support. People mention staff attention to older passengers and those who need extra help in the water, which can be a deal-maker if your group has mixed swimming abilities.
I’d think twice if your top priority is maximum space onboard or if you are very sensitive to sea motion. Some guests report bumpy rides when conditions are rough, and that can be a problem if you cannot get comfortable on boats.
Should you book this Seastar Outer Reef tour?
I’d book it if you want: two Outer Reef locations, included snorkeling gear and suits, guided snorkel support, and a glass-bottom boat moment at Michaelmas Cay. The small group size also matters because it tends to make the day feel less rushed and more personal.
I would not book it as-is if you are set on scuba and you know you might need to do a medical review later. In that case, double-check scuba requirements before you commit, so you do not end up paying for a plan that you cannot use fully.
If you’re deciding between going once and going well, this is the style that usually delivers: you get multiple chances to see the reef, you’re fed onboard, and you have staff in the mix to keep everything moving.
FAQ
How long is the Seastar Outer Great Barrier Reef cruise?
The tour runs about 7 hours 30 minutes.
Where do I check in for the tour?
Check in is at Cairns Marlin Marina, Finger E, at 7:30 am on board Seastar.
What reef locations does the tour visit?
You visit Michaelmas Cay and Hastings Reef, both in the Outer Great Barrier Reef area.
Is snorkeling gear included?
Yes. The tour includes mask, snorkel, and fins, plus a wetsuit or seasonal stinger suit. It also includes a buoyancy vest and noodle.
Is scuba diving included?
No. Introductory scuba diving and certified scuba diving are optional extras with additional cost.
Is lunch included?
Yes. The tour includes a buffet lunch, plus morning and afternoon tea.
What happens if weather is poor?
This experience requires good weather. If it is canceled due to poor weather, you will be offered a different date or a full refund.
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