Catamaran or Small Boat for a Barbados Turtle Tour?
Catamaran or glass-bottom boat in Barbados? How the big catamaran, the capped double-decker and the 90-minute glass-bottom boat differ for snorkeling, children, non-swimmers, couples, cruise passengers and price.
Once you accept that every boat in Barbados visits the same two anchorages, the choice stops being about where and becomes about what you are floating on. There are three genuinely different kinds of vessel working this coast, and the listings do a poor job of distinguishing them.
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Three kinds of boat, not two
The large classic catamaran. A full passenger list, a wide deck, serious shade, a hot buffet and an open bar. These are the boats that take five hours door to door because they collect you from your hotel. Sociable in the way a full boat always is.
The capped double-decker. Smaller, with a passenger limit the operator sets deliberately — one holds it at fifteen on a vessel that could sell far more seats. Lunch becomes platters rather than a buffet, deck space is tighter, and nobody queues at the ladder. Usually boards at the marina, with no hotel pickup at either end.
The short glass-bottom boat. Ninety minutes, no food, no bar, no lift. You go out, you do both stops, you come back. It is a third of the price of anything else and it carries the one feature none of the catamarans have.
What the glass bottom is actually for
It is easy to read a glass floor as a gimmick for children. It is not; it is an accessibility feature, and it solves a problem that comes up in more groups than you would think.
Almost every party has someone who does not want to get into open water — a nervous swimmer, a grandparent, somebody recovering from something, or a person who simply does not enjoy it. On a catamaran that person sits on deck for forty minutes and looks at the sea. On the Carlisle Bay boat they see the seagrass, the tropical fish and the shallow wreck from their seat, in the shade, dry.
If that describes anyone you are travelling with, it settles the question on its own.
Catamaran or glass-bottom boat for the snorkeling itself
Both boats stop at the same turtle feeding spot and the same Carlisle Bay wrecks, and the green and hawksbill turtles there are the same animals. Sightings are likely at these sites but never guaranteed. Give the turtles space, never chase or touch one, and leave it a clear way up to breathe.
If everyone in your group wants to be in the water, the catamaran gives you the fuller day: five hours, both stops, time to swim off the boat, then lunch on the way back. The glass-bottom boat fits both stops into 90 minutes for $40 and gets you back to the beach before lunch. If time under water is the only thing you care about, the capped double-decker does better than either at the stops themselves, because you spend less of each one queueing at the ladder.
Crowds: the difference you will actually feel
Nobody markets on this, so it is worth stating plainly. The thing that varies most between these boats is how long you spend waiting to get in and out of the water.
On a full catamaran at the wreck stop, forty-odd people enter through one or two ladders. The stop is a fixed length, so every minute in the queue is a minute not spent over the wreck.
On a boat capped at fifteen, that friction disappears. You are also not shouting over a sound system, and the crew has time to answer a question.
Whether that is worth $15 more a head — the capped double-decker is $130 against $115 for the big catamaran — depends on what you came for. The large boat gives you more shade, a hot buffet and a car at both ends. The small one gives you the water.
Transport is the hidden cost
This is where the price comparison stops being straightforward.
The $115 catamaran includes hotel pickup and drop-off. The $130 double-decker and the $105 sunset sail board at the Careenage Marina in Bridgetown and expect you to get yourself there. The $40 Carlisle Bay boat expects you to reach Savvy on the Bay.
Two return taxi fares close a lot of a $75 gap. Work out your actual transport before deciding that the cheaper ticket is cheaper.
Children
The capped double-decker carries a water slide and a swing chair off the upper deck, which in practice is the part children talk about afterwards. The Carlisle Bay boat also has a slide, plus the glass floor for the interval when a child has had enough of the water.
The large catamarans have the most deck space and the most shade, which matters differently — a midday sailing with a toddler is a shade problem before it is anything else.
Check the restrictions on the smaller boats before you commit. The 30-foot catamaran, for example, excludes babies under one year old.
In short: the glass-bottom boat usually suits younger children better, and the catamaran suits older children and teenagers who like swimming and can enjoy a five-hour boat day. The guide for families and children covers age, preparation and seasickness.
Couples and cruise passengers
Couples usually get more from one of the longer boats than from the glass-bottom boat, especially the capped double-decker or the three-hour sunset cruise at $105, which puts its snorkel and swim stops first and the sunset on the run back to Bridgetown.
Cruise passengers are better off on the short boat unless the ship is in port long enough for a five-hour catamaran with time to spare before all-aboard. The cruise terminal is in Bridgetown, close to Carlisle Bay, so the 90-minute glass-bottom boat leaves room for the beach or the town as well. The cruise shore excursion at $58 includes the transfer from the port.
Who each boat suits
Book the large catamaran if this is your one day on the water and you would rather not organise any of it. Two stops, lunch, a bar, and a car at both ends.
Book the capped double-decker if you have been on a crowded tourist boat before and did not enjoy it, or if a slide and a swing chair will keep somebody happy.
Book the glass-bottom boat if the snorkelling is the whole point, if you want the rest of your day back, if you are on a budget, or if someone in your group would rather stay dry.
Book the private catamaran if a crowded deck is the thing you are trying to avoid. At about $400 for up to ten people it undercuts the half-day boats per head once four of you share it, and the small-boat page sets out what you trade for it.
What to bring on either boat
Swimwear, a towel, sun protection, sunglasses, drinking water and a waterproof phone pouch. Every boat provides a mask and snorkel, but a mask of your own that fits well is better than a borrowed one. Before booking, compare the stops, the time in the water, the group size, transfers and the cancellation terms. A longer trip is not a better snorkeling trip if the extra hours go on sailing, eating or waiting.
Frequently asked questions
How many people are on a Barbados catamaran cruise?
It varies more than the listings suggest. The large classic catamarans take a full passenger load. One operator caps its double-decker at fifteen, which is the clearest reason to pay more for it.
Is a smaller boat better for snorkeling?
For time in the water, usually yes — fewer people means less queueing at the ladder during a fixed-length stop. For shade, food and getting to the dock, the bigger boats win.
Which Barbados turtle boat is best for children?
The boats with a slide, which means the capped double-decker or the Carlisle Bay glass-bottom boat. The larger catamarans offer more shade, which matters on a midday sailing. Check age limits on the smaller vessels.
Do the small boats visit different turtles?
No. Every boat on this coast uses the same turtle feeding grounds and the same Carlisle Bay wrecks. The vessel changes the experience, not the destination.
Is the cheap boat worth it?
If the snorkelling is what you came for, yes. Ninety minutes covers both stops with gear and a life vest for $40. What you give up is lunch, a bar and transport — and the transport is the part people underestimate.
Is a catamaran or a glass-bottom boat better for non-swimmers?
The glass-bottom boat. Someone who stays aboard sees the fish, the seagrass and the shallow wreck through the floor, while on a catamaran they wait on deck during the snorkel stops.
Which is cheaper, a catamaran or a glass-bottom boat?
The glass-bottom boat, at $40 a person for 90 minutes against $115 for the five-hour catamaran with lunch, drinks and hotel pickup. Add your taxi fares to the cheaper boat before comparing; our Barbados snorkeling prices guide covers every price band.
Which boats include hotel pickup?
The large half-day catamaran includes it both ways. The double-decker and the sunset sail board at the Careenage Marina and do not. The Carlisle Bay boat has no pickup at all; the beach-day tickets include a shuttle from hotels on their route.
Ready to book? See the small-group double-decker cruise →
Related reading:
Swim With Barbados' Sea Turtles
Two snorkel stops, gear, a hot buffet lunch and an open bar, with hotel pickup at both ends. Rated 4.8 out of 5 by 1,090 guests. Free cancellation up to 24 hours before.
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