Cap Blanc Aquarium - a large aquarium filled with lots of different types of fish
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Cap Blanc Aquarium

4.4
·2k reviews·Sant Antoni de Portmany, Spain

Discover marine wonders in a natural sea cave, a former lobster hatchery turned recovery center. Unique and serene.

Highlights

Highlights

Must-see attractions

Social content

Social

From TikTok & Reddit

Best Time

Late afternoon

Quieter, more peaceful viewing

CrowdLow
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Cap Blanc Aquarium - a large aquarium filled with lots of different types of fish

Cap Blanc Aquarium

Best Time

Late afternoon

Quieter, more peaceful viewing

CrowdLow
Highlights

Highlights

Must-see attractions

Discover marine wonders in a natural sea cave, a former lobster hatchery turned recovery center. Unique and serene.

4.4
(2k reviews)

"A very unique place in a small natural cave, not the standard aquarium you can find elsewhere."

Vertical photo
TIP

Unique Cave Experience

It's a natural cave, so you might need to duck! A truly unique aquarium setting. :woman_shrugging:

Short but Sweet Visit

Expect to spend only 15-20 minutes here. Best combined with other activities. :stopwatch:

Third hero image

Highlights

Discover the most iconic attractions and experiences

The Cave Aquarium

The Cave Aquarium

Sant Antoni de Portmany

Explore marine life within a natural sea cave, a former lobster hatchery. Unique and serene.

Mediterranean Marine Life

Mediterranean Marine Life

Aquarium tanks

See local fish, rays, octopuses, and even small sharks in their natural habitat.

Scenic Coastal Location

Scenic Coastal Location

Sant Antoni de Portmany coastline

Enjoy beautiful sea views and a charming setting near Cala Gració.

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Planning Your Visit

A Natural Wonder in a Cave

Discover a unique marine experience in a natural sea cave. This isn't your typical aquarium; it's a fascinating glimpse into the Mediterranean's underwater world, once a lobster hatchery. Plan for a short, impactful visit.

Timing Your Visit for Tranquility

While small, the Aquarium Cap Blanc can get busy. Consider visiting during off-peak hours or at the end of the day for a more serene experience. Check local schedules for potential events or closures.

Best Times

When
Late afternoon
Why
Quieter, more peaceful viewing
Crowd
Low
When
Weekdays
Why
Fewer crowds, relaxed atmosphere
Crowd
Low

Insider Tips

from TikTok, Instagram & Reddit

Sabías que hay un pequeño Acuario Natural en Ibiza?? Y está en el interior de una cueva marina donde hay muchas de las especies que hay en la isla 🐠🏝️ Se llama Aquarium Cap Blanc y está en San Antonio! Si eres residente la entrada es gratuita😊 También tiene un pequeño restaurante, donde la comida está buenísima, sobre todo las sardinas!
ibizasinfiltro
11K likes • 350.9K views

Unique Cave Experience

It's a natural cave, so you might need to duck! A truly unique aquarium setting. :woman_shrugging:

Short but Sweet Visit

Expect to spend only 15-20 minutes here. Best combined with other activities. :stopwatch:

🐠🌊Did you know Ibiza had an aquarium? It’s not like the big, commercial Sealife style ones though… Explore the hidden gem of Aquarium Cap Blanc, nestled in a natural cave by the sea. Perfect for a family day out, this unique aquarium showcases the vibrant marine life of the Mediterranean, including colorful fish, playful octopuses, and more. You even get the chance to feed all the fish. Once yo...
itshayleyparfitt
47 likes • 3.5K views
Visita imprescindible en Sant Antoni 👉 Aquarium Cap Blanc CREM ¿Sabías que es un antiguo criadero de langostas? 🙂 #VisitSantAntoni #SantAntonidePortmany #Ibiza
visitsantantoni
168 likes • 3.2K views

Resident Discount

Ibiza residents often get free entry! Check for local discounts. :moneywithwings:

Easy to Reach

Accessible by bus to San Antonio, followed by a pleasant walk. :bus:

Aquarium Cap Blanc in Ibiza… A lovely little natural aquarium with salt water for the fish. Located in Sant Antonio de Portmany, not only are there local mediterranean fish, but also rays, octopus and even a little shark… #travel #travelblogger #adventure #summer #explore #wanderlust #vacation #fun #sea #nature #sun #islasbaleares #balearicislands #illesbalears #spain #ibiza #beach #fyp
strawberryblonde_abroad
5 likes • 265 views

Tips

from all over the internet

Unique Cave Experience

It's a natural cave, so you might need to duck! A truly unique aquarium setting. :woman_shrugging:

Short but Sweet Visit

Expect to spend only 15-20 minutes here. Best combined with other activities. :stopwatch:

Resident Discount

Ibiza residents often get free entry! Check for local discounts. :moneywithwings:

Easy to Reach

Accessible by bus to San Antonio, followed by a pleasant walk. :bus:

Good Cause

Entry fee supports marine recovery efforts. A visit with purpose! :heart:

What Travellers Say

4.4
(2k reviews)

Reviews Summary

Visitors praise Aquarium Cap Blanc for its unique natural cave setting and the opportunity to see local Mediterranean marine life. It's noted as a charming, short visit that supports conservation efforts, though some find it very small for the price. The scenic location and friendly staff are also highlighted positives.

"The aquarium is set in a really nice location with a really nice view and easy to get to. The aquarium is very unique and was a nice experience, and the staff there were very nice. If you are going to go there expect a 15 to 20 minute stay."

Logic

"A very unique place in a small natural cave, not the standard aquarium you can find in many other places in the world. Even taking plenty of photos though it won't take more than 15/20 minutes of your time so the best is to visit as part of an island tour or a boat tour."

Roberto G.

"cute little trip out, got the bus to san antonio and then walked half hour to here and was easy to get too. fish appear tl well looked after and the food and drinks are easy going."

Elleanor J

What People Like

Unique cave setting
Local marine life
Conservation mission

What People Dislike

Very small size

Frequently Asked Questions

🚇 🗺️ Getting There

You can take a bus to San Antonio and then enjoy a scenic 15-30 minute walk along the coast to reach the aquarium. Some visitors mention walking from Caló des Moro. InstagramReddit

While specific parking details aren't widely mentioned, the area is accessible by public transport and walking, suggesting limited dedicated parking. It's best to rely on public transport or walking. Reddit

Yes, it's a pleasant walk of about 30 minutes from San Antonio. The route is described as easy to follow. Reddit

The path is described as walking along rocks and a trail, which might require some care. Some visitors note you may need to duck to enter the cave itself. InstagramReddit

Many visitors recommend combining a visit to Aquarium Cap Blanc with a boat tour or as part of a broader island exploration for a well-rounded experience. Reddit

🎫 🎫 Tickets & Entry

The entrance fee is typically around €5-€7 per adult, with children often entering for free. It's advisable to check the latest prices upon arrival. InstagramReddit

Yes, Ibiza residents can often enjoy free entry to the aquarium, making it a great local attraction. TikTok

Given its small size and the nature of the attraction, advance booking is generally not required. Tickets can usually be purchased upon arrival. Reddit

Opening hours can vary, but it's often recommended to visit towards the end of the day for a quieter experience. It's best to check locally for current operating times. Reddit

Many visitors find the fee worthwhile, especially considering the unique cave setting and the fact that the proceeds support marine species recovery efforts. Reddit

🎫 🐠 Onsite Experience

You can see a variety of Mediterranean species, including groupers, sea breams, sea bass, colorful wrasses, rays, octopuses, and even small sharks. TikTokInstagram

Most visitors find that a visit takes around 15 to 20 minutes, as it's a small but unique attraction. Reddit

Yes, it's a great short excursion for families. Children are often fascinated by the marine life in the natural cave setting. TikTok

It's located in a natural sea cave that was historically used as an underwater lobster hatchery by local fishermen. It's now a marine recovery center. TikTokInstagram+1

There's a small restaurant and a terrace with a jetty where you can enjoy food and drinks with a view. TikTokInstagram

📸 📸 Photography

Yes, while it's a cave, there's natural light and the marine life provides great subjects. Be mindful of reflections on the glass. Instagram

Focus on the diverse marine species, the unique cave environment, and the scenic views from the terrace. Instagram+1

No specific restrictions are mentioned, but always be respectful of other visitors and the marine life. Instagram

The lighting is natural within the cave, which can be atmospheric. It's advisable to have a camera or phone that performs well in lower light conditions. Instagram

A wide-angle lens could be useful for capturing the cave setting, but a standard lens will work well for close-ups of the marine life. Instagram

For Different Travelers

Tailored advice for your travel style

👨‍👩‍👧 Families with Kids

Aquarium Cap Blanc offers a delightful and manageable outing for families. The unique cave setting is sure to capture children's imaginations, providing a sense of adventure as they explore. The variety of Mediterranean fish, octopuses, and rays offers plenty to point out and learn about. Since the visit is short (around 15-20 minutes), it's perfect for keeping younger attention spans engaged. TikTokReddit

Combine your visit with a walk along the coast or a stop at the small restaurant for a snack. The resident discount can also make it a very budget-friendly option for local families. It's a great way to introduce children to marine life and conservation in a memorable, natural environment. TikTokReddit

🚶 Day-Trippers & Sightseers

For those exploring Ibiza on a day trip, Aquarium Cap Blanc is an ideal, quick stop. Its location in Sant Antoni de Portmany makes it easily accessible, and the visit itself is brief, allowing you to fit it into a packed itinerary. Many visitors suggest combining it with a boat tour or exploring the nearby coastline for a more comprehensive experience. InstagramReddit

Don't expect a sprawling, multi-hour attraction. Instead, appreciate it for its unique charm: a natural cave aquarium with a conservation mission. It's a refreshing change from typical tourist spots and offers a glimpse into Ibiza's local marine biodiversity. The scenic views from the terrace are an added bonus. Instagram

🌿 Nature & Conservation Enthusiasts

If you're passionate about marine conservation, Aquarium Cap Blanc is a must-visit. Its primary function as a recovery center for marine species offers a unique insight into local conservation efforts. Learning about the historical use of the cave as a lobster hatchery and its current role in protecting the Mediterranean ecosystem provides a deeper appreciation for the site. Instagram+2

The natural cave setting, fed by seawater, offers an authentic glimpse into the marine environment. It's a chance to see local species thriving and to understand the importance of preserving these underwater habitats. The modest entrance fee directly supports these vital conservation activities, making your visit impactful. Reddit

Deep Dives

In-depth insights and expert knowledge

The Unique Cave Setting

Aquarium Cap Blanc is not your typical aquarium; it's nestled within a natural sea cave, offering a truly unique visitor experience. This grotto, historically known as 'Sa Cova de ses Llagostes' (The Cave of Lobsters), was once used by local fishermen to keep their catch alive in underwater pens. The natural rock formations and direct access to seawater create an authentic and atmospheric environment for the marine life. Visitors often remark on how special it is to see sea creatures thriving in such a natural setting, distinct from man-made tanks. TikTokInstagram

This historical use as a lobster hatchery adds a layer of intrigue to the visit. Today, it functions as a marine recovery center, aiming to protect and rehabilitate local species before releasing them back into the Mediterranean. This dual purpose makes a visit not only educational and visually appealing but also contributes to conservation efforts. The cave's entrance might require visitors to duck slightly, adding to the adventure and sense of discovery. InstagramReddit+1

Marine Life and Conservation

The aquarium showcases a diverse array of species native to the Balearic waters. Visitors can expect to see a variety of fish, including groupers, sea breams, and sea bass, alongside more captivating creatures like octopuses and rays. The presence of small sharks adds an element of excitement for many. The natural tanks, fed directly by the sea, provide an environment that closely mimics their wild habitat. TikTokInstagram

A significant aspect of Aquarium Cap Blanc's mission is its role as a marine recovery center. This means that many of the animals you see are being cared for with the goal of returning them to the sea. This conservation focus is a key reason why many visitors feel their entrance fee is well-spent, supporting a valuable cause. The educational aspect of learning about local marine ecosystems and conservation challenges is a strong draw for many. InstagramReddit

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