Reviewed · CRUISES & BOAT TOURS
From Denia: Boat Trip to Tallada Cave with Optional Swim
Cova Tallada is the star of this short Dénia boat trip, but the ride there gives you the bigger picture: the castle rising above town, Montgó Natural Park behind the coast, and open Mediterranean water ahead. The boat takes you close to the cave and the protected marine reserve, with a possible swim stop if the weather and sea conditions cooperate.
I like the low price of $14 and the easy 1 to 1.5-hour format. I also like seeing Dénia from the water, since the castle and Montgó look quite different from offshore. The main drawback is that swimming is not guaranteed, and the trip can be lively, wet, and noisy, with music and splashing on the ride back.
Key points to know before you book

- Cova Tallada from the sea: The boat brings you close to the famous coastal cave without requiring a long walk over rough ground.
- A useful view of Dénia: You see the castle, city, and Montgó from an angle that is hard to get on land.
- Swimming depends on conditions: The captain may stop near the marine reserve, but a late-season trip or rough water can mean no swim.
- A short, affordable outing: At $14 per person, this is an easy add-on to a day in Dénia rather than a major time commitment.
- Expect a social boat atmosphere: One trip carried about 30 people, with 1980s music and plenty of passengers taking photos.
- Bring gear for spray: Wear swimwear, pack sunscreen and sunglasses, and expect that the ride may get you wet.
Setting out from Dénia’s harbor

You meet the boat at the Mundo Marino Dénia departure point, though the exact meeting location can vary with the option you book. The activity returns to the meeting point, so you do not need to arrange a separate ride back into town.
The boat used for this experience is a catamaran rather than a small speedboat. That matters. You get a broader, more stable platform and a better chance to move around for views, but you should not expect a fast, quiet trip that hugs the cliffs in a small craft.
The outing lasts about 1 to 1.5 hours. That makes it a good fit before lunch, after time at Dénia Castle, or as a break from a hot afternoon in town. It is short enough for families and casual sightseers, although the activity is not suitable for people with mobility impairments.
The atmosphere can be playful rather than peaceful. On one morning trip, around 30 people were aboard, and 1980s disco music played during parts of the ride. If you want a quiet nature cruise, this may not be your ideal boat. If you enjoy a cheerful group outing, the music can add to the holiday mood, even if you eventually wish the volume were lower.
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Seeing Dénia Castle from the water

One of the best reasons to take this trip is the change in viewpoint. From the water, Dénia Castle sits above the city with a clear sense of its position between the coast and the inland hills. You can also look back toward Montgó, the large natural park that shapes the scenery around Dénia and Jávea.
I find this kind of boat view useful because it gives you a quick sense of how the city fits together. On land, buildings and roads break up your view. Offshore, the castle, waterfront, and mountain can be seen in one sweep.
Keep your camera ready, but protect it from spray. The boat can move through lively water, and one especially enthusiastic ride included plenty of splashing surf. You may come back damp, particularly if you sit near an exposed edge or if the sea is choppy.
The city view is one of the more dependable parts of the excursion. Even if the swim is cancelled, you still get the coastal cruise and the chance to see Dénia’s landmarks from the Mediterranean.
Cruising toward Cova Tallada

The boat continues along the coast toward Cova Tallada, also called Tallada Cave. This is a natural coastal cave near the marine reserve, and the main appeal is getting close to it by boat rather than approaching only from land.
The visit is best understood as a scenic boat approach, not a cave tour on foot. You are not given a long underground visit or a detailed walking exploration of the cave. Instead, the boat brings you into the area, giving you a view of the rocky coast and the cave’s setting from the water.
That distinction is important when deciding what to book. If you want to explore every corner of Cova Tallada on foot, this short cruise will not replace a land-based visit. If you want to see the cave without committing to a more demanding coastal route, the boat is a convenient option.
Your captain chooses the route and stopping points according to conditions. The sea, wind, and general weather affect how close the boat can get and how long it can pause. The schedule is not a promise of a fixed swimming location, so keep your expectations flexible.
The Dénia Marine Reserve and possible swim

The cruise also reaches the Dénia Marine Reserve, where the protected waters are the setting for the possible swim stop. This is a pleasant idea in the warm season: step into clear Mediterranean water, cool off, and look around from offshore rather than from a crowded beach.
Still, the swim is conditional. If the sea is too rough or the conditions are unsuitable, the captain may choose another location. On a late-season morning, no swimming took place at all. That does not mean the trip failed, but it does mean you should not book this solely for a guaranteed swim.
Bring swimwear even if swimming is only a possibility. You should also carry sunscreen, sunglasses, and clothing suited to the weather. A towel is not listed among the required items, but it is a sensible thing to pack if you hope to get into the water or if you are prone to seaspray.
The marine reserve is also a good place to watch for sea life. The activity gives you the chance to look into the water as the boat moves along, but no particular animal sighting is promised. Think of wildlife as a bonus, not the main reason to pay for the trip.
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What the ride feels like onboard

The catamaran offers enough room for a group outing, though you should expect people to gather along the sides for photos. The return leg can feel more energetic when the waves pick up. Music may play, and the boat can spray water, so this is not a silent sightseeing platform.
I would choose your seat based on your priorities. Sit where you have a clear view if photographs matter most. Choose a more sheltered spot if you prefer to stay dry and avoid the strongest wind. Since conditions can change, it is wise to keep phones and cameras protected.
The crew is described as welcoming and genial, which helps set the tone for the trip. Spanish and English are spoken. Safety information is worth paying attention to, though a concern was raised about not receiving a clear explanation of where life jackets were or what to do in an emergency. That is a fair point, and I would ask the crew if you do not hear the instructions at the start.
The group setting also affects the experience. You will not have a private boat or a custom route. Instead, you share the ride with other people who may be focused on photos, music, and the swim stop. That shared atmosphere keeps the price low, but it limits quiet time and personal space.
Is $14 good value?

At $14 per person, this is one of the easier coastal activities to justify. The price covers a boat trip to the marine reserve and the Cova Tallada area, plus views of Dénia, its castle, and Montgó. For a short outing, that is a useful amount of sightseeing without taking up half your day.
The value depends on what you want from the water. If your main goal is a low-cost look at the coast, the price is strong. You get a proper boat experience rather than simply walking along the harbor, and the city looks different from offshore.
The value is weaker if you expect a long swim, a quiet nature cruise, or a detailed cave visit. The trip is compact, and the swim may be cancelled. Food and drinks are not included, although a tapas option is available if you select it when booking.
I would treat this as a simple coastal add-on. You are paying for the boat ride, the views, and the chance to stop in the marine reserve, not for a full-day sailing adventure.
Who will enjoy this Dénia boat trip?

This activity suits you if you want to:
- See Dénia Castle and Montgó from the sea
- Visit the Cova Tallada area without planning a longer land approach
- Add a short boat ride to a Dénia sightseeing day
- Swim if conditions allow
- Take coastal photographs
- Enjoy a friendly group atmosphere with music
It is also useful for families or couples who want a manageable outing. The duration is short, and the route combines scenery with a possible swim rather than asking you to spend several hours onboard.
You may want another option if you need step-free access, dislike loud music, or want a guaranteed water stop. This is not a private charter, and it is not designed as a quiet, highly personal trip. The boat can be wet and active, especially on the return journey.
Because the activity is weather dependent, I would avoid placing it at the center of a tightly packed day. If the sea changes or the captain alters the swim plan, the cruise can still go ahead, but the exact experience may differ from what you pictured.
Practical advice for a smoother outing

Wear clothing that can handle spray. Swimwear under light clothes is practical, and sunscreen matters even when the air feels comfortable because you are exposed on the water.
Bring sunglasses and keep them secure. The glare can be strong, and wind can make loose items troublesome. A protective case or waterproof pouch for your phone is also a sensible precaution, especially if you want photographs during the faster sections.
Check the starting time and meeting point carefully because the location may vary by booking option. The activity ends back at the same meeting point, so allow enough time afterward if you have lunch reservations, a bus, or another tour.
Cancellation is flexible up to 24 hours before departure for a full refund, and you can reserve now and pay later. Those terms are useful when weather is a concern, though you should still check the conditions and current departure details before heading to the harbor.
My take: should you book it?

Book this trip if you want an inexpensive, short look at Dénia from the sea, with Cova Tallada, the marine reserve, and a possible swim all in one outing. The views of the castle and Montgó give the ride real sightseeing value, and $14 is a reasonable price for the time involved.
Skip it if you need a guaranteed swim, a quiet boat, or an in-depth cave visit. For the best chance of a water stop, bring swimwear and choose a season with warm conditions, but remember that the captain has the final say. If you accept the music, group setting, and possibility of getting wet, this is a practical way to add a little Mediterranean motion to your Dénia stay.
FAQ
How long does the boat trip last?
The activity lasts about 1 to 1.5 hours. Starting times vary, so check availability when booking.
Where does the boat trip start and finish?
The trip starts at a Mundo Marino Dénia meeting point. The exact meeting point may vary by the option booked, and the activity ends back at the meeting point.
Does the trip include a swim?
A swim stop may take place near the Dénia Marine Reserve, but it depends on weather and sea conditions. If the planned stop is not possible, the captain may choose another location, and swimming may still not take place.
Can I see Cova Tallada on this trip?
Yes. The boat cruises toward Cova Tallada and brings you close to the cave area. The activity is a boat visit, not a walking cave exploration.
Is food included?
The boat trip to the Dénia Marine Reserve is included. Tapas are included only if you select the tapas option, and other food and drinks are not included.
What should I bring?
Bring sunglasses, swimwear, sunscreen, and clothing suited to the weather. You should also protect cameras and phones because the boat may create spray and you may get wet.
Is the activity available in English?
Yes. The activity is offered in Spanish and English.
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