That swim stop at Coll Baix is the reason to go. This Alcúdia Bay boat trip pairs big Mediterranean views with a refreshing break to get in the water, plus glass-bottom windows for a peek below the surface. I also like that the route touches classic spots like Alcanada beach and its lighthouse before heading to the tucked-away waters around Coll Baix. The main thing to weigh is that the glass-bottom setup is small, and the trip can feel more like a group-moving-around experience than a quiet, private escape.

If you get motion sickness easily, plan a strategy (and pick your spot on the boat early). The timing is tight for such a beautiful area, so if you’re hoping for lots of swimming time or snorkeling, you may want a longer option or go in with realistic expectations about the stop length.

Key Things to Know Before You Go

• Coll Baix swim time is the highlight: expect a short jump-in window at a secluded, clear-water spot
• You’ll pass Alcanada and its lighthouse: good photo moments with Mallorca’s north-coast coastline
• The “glass bottom” is limited: think small windows, not a full-see-through floor
• There are pickup stops around the bay: a chunk of time is spent collecting people by jetties
• Bring a towel and swimwear: you’ll want to be ready fast when the ladder is down
• Motion-sickness friendly tips help: sitting higher and looking at the horizon can make a difference

Where the Alcúdia Sea Trips Boat Starts (and Why It Matters)

The tour meets at the boat kiosk for Alcudia Sea Trips | Transportes Marítimos BRISA (TM Brisa) on the Passeig Marítim in Port d’Alcúdia. It’s the kind of departure point that feels straightforward once you arrive—just follow the signage and get there a bit early so you’re not rushing with wet bags or a swimsuit to handle.

Why this matters: the whole vibe is “short trip, busy route.” You’re not just boarding at one pier and going straight. The experience includes moving between spots along Alcúdia Bay before you settle into the main run out toward quieter water. So being on time saves you stress and keeps you ready for the swim stop when it happens.

Also note the basic rules: no large bags or luggage. There’s a practical reason—space is limited and people are coming and going quickly when you stop for swimming.

The Route: Port d’Alcúdia, Alcanada Lighthouse, Then Coll Baix

This is a north Mallorca style outing: start near Port d’Alcúdia, take in the coastline, then aim for a more secluded patch of sea.

The early stretch and the bay sightseeing

After departure, you spend time on the water while the boat handles the route along the coast and works through short stops for passengers. You’ll get scenic views along the way, and this is a good moment to plan your comfort: if you tend to get queasy, I’d choose a spot where you can look outward at the horizon rather than staring down at the glass windows or only at the deck.

A real-world note from the experience style: the boat can get busy and noisy during boarding and pickup segments. Once you’re fully out in the open water, it usually settles into a calmer cruise rhythm.

Alcanada beach and the lighthouse viewpoint

The trip includes Alcanada beach and its lighthouse along the route. Even if you don’t get off the boat here, the value is in timing: you see this coastline without doing extra walking, and you get those classic photos with sea views and the lighthouse in the frame.

If you care about pictures, bring your camera ready. You don’t want to be digging it out when the boat lines up with the best angles.

Coll Baix: the secluded swim-and-view portion

Then comes the payoff: Coll Baix, described as a natural, sheltered area with mountain protection and clear, turquoise-blue-looking water. This is one of those places where the beauty is the whole point—open sea feel, quiet coves nearby, and that “okay, I get why people book this” moment when you see the water clarity.

This part is also where conditions can affect what you get. In some cases, if swimming conditions are judged unsafe due to current, the crew may shift the stop to another nearby option (for example, the lighthouse/Formentor area). So the best approach is to treat the swim stop as the plan, but be flexible about the exact location.

Coll Baix Swim Stop: What You’re Really Getting

The listed swim time is around 15 minutes, but in practice you might see it run closer to 20–25 minutes depending on the day and what’s happening on the route. Either way, you’re not going to spend half the morning in the water—this is a quick reset that pairs well with the short overall duration.

What to expect at the water:

• You’re typically swimming from the boat rather than from the sand.
• There’s one main ladder, so getting on and off can involve some waiting.
• If the boat is crowded, queues at the ladder can get chaotic.

Practical tip: pack your gear so it’s easy to grab and go. You’ll want swimwear on already, because the “get ready” window is short.

If you want to see fish and marine life

This is where the glass-bottom concept comes in, but set expectations. The experiences around this boat point out that the “glass bottom” is often more like a few small glass windows rather than a wide, clear floor. You can still look down and see marine activity, but it may be less dramatic than the photos make it seem.

If you actually want to maximize what you see, consider bringing a simple snorkel mask or snorkel set. The swim stop is the time you’ll get the most natural chances to spot fish near the surface.

How the Glass-Bottom Windows Work (and How to Make Them Count)

Here’s the honest take: the best part is the sea itself, not a full glass-floor system. Multiple observations suggest the glass view area is small, and the windows can be hard to use when it’s hot and you’re trying to see clearly at an angle.

So how do you make it worth it?

• Sit where you can see the windows without crouching or fighting glare.
• Keep your eyes on the water-level view, not just the glass.
• If you’re hoping for a big visual show, don’t center your whole plan on “seeing everything through glass.”

There’s another variable: if the glass-bottom section is in repair or not functioning, the boat may operate as a non-glass variant or adjust the stop. That’s rare, but it’s enough that I’d treat this as a “nice bonus” rather than the core event.

Seating, Comfort, and Motion Sickness on TM Brisa

This trip is short enough that most people feel okay—but if you’re motion-sensitive, it helps to plan.

A few useful comfort tactics:

• Choose the second floor seating if you can. Higher views tend to feel steadier.
• Look at the horizon instead of down at the glass or your phone.
• If the sea gets choppy, the crew adapts the timing and route, and you’ll still get your sightseeing and swim window.

One person did report sea sickness, and another praised sitting higher as a solution. So if you’re on the fence, assume it’s possible you’ll feel movement. Bring any personal remedy you normally use, and prioritize your view line early.

Timing: Why 2 Hours Can Feel Like More (In a Good Way)

The duration is about 2 hours, but you’ll spend some of that time on the water doing route sightseeing and handling multiple pickup points around Alcúdia Bay. In other words: yes, it’s short—but it’s short with purpose.

Here’s how that plays for you:

• You get coastline views without spending all day commuting.
• You get at least one real “water moment,” which is the main reason most people book this.
• You don’t have to plan around a full-day schedule if your Mallorca time is limited.

One consideration: if you dislike waiting during pickup and boarding, this may feel slightly rushed. The swim stop is the part that matters most, so arrive ready and keep your expectations tied to that.

Onboard Vibes and the Food/Drink Reality

Food and drinks are not included. That said, there is a bar onboard where you can purchase snacks and beverages, and you can sit and relax while you wait for the next leg.

This is a helpful setup because it means you don’t need to carry a beach picnic. Just be ready to pay onboard if you want a drink.

If you’re traveling with kids, this onboard option matters too. A snack can smooth the “wait your turn to swim” moments and keep the energy up during the pickups.

What to Bring (So You Actually Enjoy the Swim)

For a boat swim stop, packing smarter beats packing more. Bring:

• Swimwear
• Towel
• Camera (you’ll want it for the coastline and lighthouse views)
• Beachwear

Leave the luggage at base. Large bags aren’t a fit for this kind of boat boarding, and you don’t want extra clutter when people are moving in and out.

If you’re serious about marine viewing, add:

• Snorkel mask or a simple set, so you can make the most of the clear water time

And if motion sickness is your issue, pack your personal plan too (meds, ginger, whatever works for you).

Who This Boat Trip Works Best For

This trip is a solid match if you want:

• A short, budget-friendly way to see Alcúdia Bay from the water
• A real swim break at a secluded area like Coll Baix
• Photos of the coastline and Alcanada lighthouse without doing a long walking route
• A low-commitment day plan (no full-day excursions)

It’s less of a match if:

• You need mobility access. The trip is not suitable for people with mobility impairments.
• You want lots of time ashore (this outing is mostly on the boat, with swimming from the boat).

Value for Money at About $34 Per Person

At roughly $34 per person for around 2 hours, the value comes from what you’re actually buying: a scenic cruise plus a swim stop at a place most people can’t reach in the same easy way.

You’re not paying for a private tour. You’re paying for a practical mix:

• You get north-coast viewpoints that look good in photos
• You get a quick reset in clear water
• You don’t spend hours on transport logistics

Two watch-outs that affect perceived value:

• If the glass-bottom area doesn’t perform as expected for you, the “glass” part becomes a smaller bonus.
• If the swim stop time feels short (especially when the boat is crowded and the ladder is in use), it may feel rushed.

Still, for the price, it’s hard to beat the basic formula: views + water time, without a whole day commitment.

Should You Book the Alcúdia to Coll Baix Boat Trip?

I’d book it if you want a straightforward Alcúdia Bay boat outing with a strong chance of clear-water swimming and lighthouse-level scenery for a reasonable price. It’s ideal for couples, solo travelers, and families who like water breaks and don’t need a long onshore stop.

I’d hesitate if your number one goal is a true full-size glass-bottom floor or long snorkeling time. In that case, look for a longer cruise or a different format where you can control your time in the water.

If you go in knowing the “glass” part is limited and the swim stop is short, you’ll be exactly in the sweet spot of what this tour is good at.

FAQ

How long is the boat trip to Coll Baix?

The trip lasts around two hours.

What does the trip cost?

It’s listed at about $34 per person.

Where do I meet the boat for the Alcúdia Sea Trips tour?

Meet at the boat kiosk for Alcudia Sea Trips (Transportes Marítimos BRISA, Passeig Marítim, 07410 Puerto Alcudia, Illes Balears).

Is there a swim stop at Coll Baix?

Yes. The trip includes a stop to swim in the sea at Coll Baix (and sometimes a nearby alternative if conditions require it).

What is the swim time like?

The stop is listed as about 15 minutes, but some departures may feel closer to 20–25 minutes depending on the day.

Is food and drink included?

No. Food and drinks are not included, but snacks and beverages can be purchased onboard.

What about the glass-bottom part?

It’s described as a glass-bottom boat, but the glass viewing area is limited. You should expect small glass windows rather than a large transparent floor.

What should I bring for the trip?

Bring swimwear, a towel, a camera, and beachwear.

Can I bring luggage or large bags?

No. Luggage or large bags are not allowed.

Is this tour suitable for people with mobility impairments?

No, it’s not suitable for people with mobility impairments.

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