Reviewed · GREAT BARRIER REEF TRIPS
Seastar Luxury Outer Great Barrier Reef Island and Reef Tour
The reef is best seen from the water. Seastar gives you a full day at two very different Great Barrier Reef sites, Michaelmas Cay and Hastings Reef, aboard a small vessel limited to 36 people. I like the two-stop route, which gives you more than one view of the reef, and I like the friendly, safety-focused crew, who help nervous swimmers and first-time snorkelers.
The main caution is the boat itself. A smaller vessel reaches the reef quickly and creates a more personal outing, but it offers less room than some larger reef boats. Several passengers found seating tight when the boat was full, and rough side waves may be uncomfortable if you are prone to seasickness.
- Michaelmas Cay sits about 40 kilometers from Cairns, with reef snorkeling and a glass-bottom boat trip.
- Hastings Reef provides a second two-hour water session on a classic outer reef site.
- The group is capped at 36 people, far smaller than many Cairns reef cruises.
- Snorkel guides lead optional tours, while you can also explore at your own pace.
- Lunch, morning tea, afternoon tea, and equipment are included, but drinks and snacks cost extra.
- Scuba options are available for an added fee, including introductory and certified outings.
In This Review
- Why the Two-Reef Route Matters
- Setting Out From Cairns Marlin Marina
- Michaelmas Cay: Island, Birds, and Gentle Water Access
- Hastings Reef: Your Second Chance for Great Snorkeling
- A Crew That Takes Safety Seriously
- What Comes With the $190.07 Price
- Equipment, Comfort, and Conditions
- Who Will Get the Most From This Trip
- Booking Details and Cancellation Flexibility
- Should You Book Seastar?
- FAQ
- Where does the Seastar tour begin?
- What time should I check in?
- How long does the experience last?
- Which reef locations does the tour visit?
- How long do you spend at each location?
- Is snorkeling equipment included?
- Is lunch included?
- Are drinks and snacks included?
- Can I add scuba to the tour?
- Is transport from my hotel included?
- How many people can join the tour?
- What happens if bad weather cancels the tour?
- How late can I cancel for a full refund?
Why the Two-Reef Route Matters

A Cairns reef trip can sound simple: board a boat, reach the coral, and snorkel. Seastar’s route is better planned than that. You visit Michaelmas Cay first, then continue to Hastings Reef, giving you two separate chances to see coral, fish, and other sea life.
That variety matters. Michaelmas Cay adds an island setting and a glass-bottom boat option, while Hastings Reef feels more like a classic outer reef stop. If conditions change at one site, the second location gives your day another opportunity for good water visibility.
The tour runs for about seven and a half hours. Check-in is at 7:30 a.m. at Finger E, Cairns Marlin Marina, and the boat returns to the same area around 3:30 p.m. You spend a large part of the day on the reef, rather than making a short boat trip with only limited water time.
Setting Out From Cairns Marlin Marina

You check in directly aboard Seastar at Finger E on Marlin Parade. The early start is useful because it gets you moving toward the outer reef before the day becomes too far along.
The boat carries a maximum of 36 people. That is still a group, but it is small by Cairns reef-cruise standards. The practical benefit is clear: crew members can keep a closer eye on people in the water, and guided snorkeling feels more personal.
The tradeoff is space. At full capacity, the seating area can feel crowded during the trip out and back. The boat has air conditioning according to the tour details, but one passenger questioned how comfortable it felt when fully occupied. If you want a roomy ship with several indoor and outdoor seating zones, a larger vessel may suit you better.
The smaller boat is also quicker than many larger reef vessels. Some passengers appreciated reaching the sites fast. Others found the ride bumpy, especially in side waves. If you are sensitive to motion, take that seriously and plan suitable seasickness precautions before departure.
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Michaelmas Cay: Island, Birds, and Gentle Water Access

Michaelmas Cay lies about 22 nautical miles, or 40 kilometers, from Cairns. It is an uninhabited coral cay near the outer reef systems and adds an important island element to the day.
The stop lasts about two hours. You can snorkel around the cay, join a guided water tour, and use the glass-bottom boat for a dry view of the reef. That mix makes Michaelmas Cay a strong first stop for a mixed group, especially when one person wants to swim and another prefers to remain above the water.
The glass-bottom boat is more than a filler activity. It lets you see coral and fish without putting on a mask or entering the water. It is useful for anyone who is nervous, tired, less confident in the water, or simply wants a break between swims.
The cay also gives you a change of scene. You are not looking only at open water from a boat platform. You get a sense of the low coral island environment and the bird life connected to it. The exact wildlife varies, but the experience can include fish, coral, crustaceans, and birds.
Seastar’s earlier departure and fast boat may mean you reach Michaelmas Cay before the area feels crowded. That timing can make a real difference. A quieter first stop is easier for getting comfortable with the equipment and finding your rhythm in the water.
Hastings Reef: Your Second Chance for Great Snorkeling
After Michaelmas Cay, the boat continues to Hastings Reef, part of the outer Great Barrier Reef. The site is about 30 nautical miles from Cairns and is marked by breakers on many days.
You have another two hours here. That is generous water time, particularly when compared with cruises that divide a full day among many stops. You can snorkel independently or follow a guide who points out coral formations and sea life.
I would strongly consider joining the guided snorkel at least once. The crew can help you find areas you might miss on your own and explain what you are seeing. Several passengers particularly valued the guides’ ability to point out different fish and coral beds.
Hastings Reef can feel very different from the cay. Here, the focus is the reef itself, not the island. Reports from the tour include sightings of many fish, turtles, sharks, coral, and smaller marine animals, though no wildlife sighting is guaranteed.
Water conditions and visibility depend on the day. One outing had rain around Cairns but clear conditions at the reef, with excellent underwater visibility. Another had cooler water. Wetsuits or stinger suits are provided seasonally, and buoyancy vests and noodles are available, so you do not need to be an expert swimmer to take part.
A Crew That Takes Safety Seriously

The strongest part of this trip is the crew. The praise is consistent: staff are friendly, attentive, patient, and careful about safety.
That matters most when you are unsure in the water. The crew has helped older passengers, people with different swimming abilities, first-time snorkelers, and those with disabilities. One passenger who was afraid of the water eventually entered the water with crew encouragement and assistance.
You can choose to snorkel alone, but you are never required to figure everything out without support. Guides offer organized snorkel tours, and the crew supplies flotation aids. Their close attention is particularly useful at an outer reef site, where the water can feel much bigger than it does from the marina.
This is also a good choice for families or groups with mixed confidence levels. A strong swimmer can explore more independently while a nervous participant uses a noodle, vest, or crew assistance. The glass-bottom boat at Michaelmas Cay gives non-swimmers another worthwhile way to see the reef.
Scuba is available as an optional extra. You can select an introductory experience or a certified outing, but medical restrictions apply. Some conditions, medications, and recent operations may prevent you from scuba participation, and a medical examination to Australian standard AS4005-1 may be required.
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What Comes With the $190.07 Price

The listed price is $190.07 per person. That is not the cheapest way to reach the Great Barrier Reef from Cairns, but the value improves when you count what is included.
Your package covers the luxury outer reef cruise, two reef locations, island access at Michaelmas Cay, morning and afternoon tea, a buffet lunch, mask, snorkel, fins, a seasonal wetsuit or stinger suit, buoyancy equipment, and guided snorkeling.
The two-hour stop at each location is the key value. You are not paying for a long ride followed by a quick look at the reef. You get several hours in the water, plus the cay and glass-bottom boat experience.
Lunch is casual rather than elaborate, but it is substantial. The buffet has included salads, chicken, and vegetable bake, with vegan choices available. There is enough food for most people, and morning and afternoon tea help fill the gaps around the water sessions.
Cold drinks and snacks are not included. Bring extra money for those purchases, and remember that the cost of introductory or certified scuba is separate. Return bus transfers from Cairns City, the Northern Beaches, and outer Cairns areas are also not included.
At this price, I see the tour as good value for someone who wants maximum reef time, a small group, and help in the water. If your priority is a spacious boat, extensive onboard facilities, or included transfers, you may prefer a different style of cruise.
Equipment, Comfort, and Conditions

All basic snorkeling gear is supplied. That removes the need to pack fins, a mask, or a snorkel, and it also makes the outing easier for first-time visitors.
Wetsuits or stinger suits are offered seasonally. The tour also provides buoyancy vests and noodles. These details are not minor. A flotation aid can turn a frightening first snorkel into a manageable one, while a suit helps with cooler water and seasonal protection.
The vessel is described as a luxury yacht and catamaran in the tour material, but one passenger disputed the catamaran description. I would focus less on the label and more on the practical facts: it is a smaller boat with a 36-person maximum, quick access to the reef, and limited seating when full.
Boat comfort depends heavily on the sea. Calm conditions can make the ride pleasant and fast. Side waves can make it feel bumpy, and several accounts point to motion discomfort as the main weakness. If you know you get seasick, choose your seat carefully, look toward the horizon, and take precautions before leaving the marina.
Who Will Get the Most From This Trip

I would recommend Seastar to you if you want a reef day built around time in the water rather than a large ship experience.
It suits:
- First-time snorkelers who want patient supervision
- Confident swimmers who want guided and independent options
- Families and couples with mixed comfort levels
- Older passengers who may need flotation or crew assistance
- People who want two reef settings in one day
- Visitors who value a smaller group over extra boat space
- Scuba beginners or certified divers willing to pay the added cost
The tour may not be ideal if you dislike small boats, need lots of seating, or are very prone to seasickness. It also requires good weather, so your schedule should leave room for a change if conditions force a cancellation.
Most people can participate, but the activity involves boat travel and water access. If you have a medical condition, take medication, or recently had an operation, check the scuba rules before selecting a dive option.
Booking Details and Cancellation Flexibility

Your mobile ticket makes check-in simple. You meet at Finger E, Marlin Marina, at 7:30 a.m., and the activity ends back at the same meeting point around 4:00 p.m.
Free cancellation is available until 24 hours before the start time for a full refund. Changes or cancellations made within 24 hours are not accepted for a refund.
Weather can affect the trip. If Seastar cancels because conditions are poor, you can choose another date or receive a full refund. The same applies if the minimum number of participants is not met.
Should You Book Seastar?
I would book this tour if your main goal is to see the Great Barrier Reef at two sites, spend plenty of time snorkeling, and receive close help from a small crew.
The best reasons are the 36-person limit, the two-hour sessions at Michaelmas Cay and Hastings Reef, the guided snorkeling, and the strong attention to nervous or less mobile swimmers. Lunch and equipment are included, which keeps the day straightforward.
I would choose another boat if comfort and space matter more than personal service. Seastar’s smaller vessel can feel tight when full and may bounce in rougher conditions. For everyone else, especially first-time snorkelers and mixed-ability groups, this is a well-priced, well-supported way to meet the reef.
FAQ
Where does the Seastar tour begin?
The tour begins at Finger E, Marlin Parade, Cairns City, Queensland 4870, at Cairns Marlin Marina.
What time should I check in?
Check-in is at 7:30 a.m. directly aboard Seastar.
How long does the experience last?
The tour lasts about seven hours and 30 minutes. It generally returns to the marina around 3:30 p.m., within the stated operating period of 7:30 a.m. to 4:00 p.m.
Which reef locations does the tour visit?
The route visits Michaelmas Cay and Hastings Reef on the outer Great Barrier Reef.
How long do you spend at each location?
The planned time is about two hours at Michaelmas Cay and two hours at Hastings Reef.
Is snorkeling equipment included?
Yes. Mask, snorkel, fins, buoyancy vests, noodles, and seasonal wetsuits or stinger suits are included.
Is lunch included?
Yes. A buffet lunch is included, along with morning tea and afternoon tea. Vegan choices are available.
Are drinks and snacks included?
No. Cold drinks and snacks are not included in the tour price.
Can I add scuba to the tour?
Yes. Introductory and certified scuba options are available for an additional cost. Medical restrictions may apply, and some people may need a dive medical to Australian standard AS4005-1.
Is transport from my hotel included?
No. Return bus transfers from Cairns City, the Northern Beaches, and outer Cairns areas are not included.
How many people can join the tour?
The maximum group size is 36 people.
What happens if bad weather cancels the tour?
If poor weather causes cancellation, you can select another date or receive a full refund.
How late can I cancel for a full refund?
You must cancel at least 24 hours before the experience start time to receive a full refund.
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