The secret tunnel to Mexico’s hidden beach inside a cave

Tucked away in the heart of the Marietas Islands, just off the coast of Riviera Nayarit, Mexico, lies a breathtaking natural wonder that seems almost too magical to be real — a secluded beach hidden inside a cave, accessible only through a secret tunnel beneath the ocean’s surface.

Known as Playa del Amor, or the “Beach of Love,” this enchanting destination captivates travelers not just with its beauty, but with the adventure required to reach it. The beach lies inside a collapsed sea cave with a circular opening above, allowing golden sunlight to pour in — while the entrance remains cleverly concealed from view.

The Secret Tunnel To Mexico’s Hidden Beach Inside A Cave 1
The tunnel is not completely submerged, so visitors can breathe above water without the need for snorkeling gear or air tanks.

>> Fingal’s cave: Scotland’s mystical cathedral beneath the sea

The Journey to the Hidden Beach

To reach Playa del Amor, visitors must swim through a narrow tunnel that connects the open sea to the hidden cove. Though partially submerged, the tunnel is wide enough to allow swimming on the surface — no diving gear is necessary, just basic swimming skills and a sense of adventure.

The good news is, local guides and tour operators now know exactly where the secret passage lies, and many boats depart daily from Punta Mita or Puerto Vallarta, offering guided tours to this mysterious beach.

The Secret Tunnel To Mexico’s Hidden Beach Inside A Cave 2
In addition to the cave beaches, the Marietas Islands are also known for their diverse ecosystems including rare bird species such as the blue-footed booby.

Strict Conservation for a Fragile Paradise

In order to preserve Playa del Amor’s fragile ecosystem and pristine condition, Mexican authorities strictly regulate access. Only 117 visitors per day are allowed on the island, and each person may only spend 20 minutes on the beach itself. These rules are essential to protecting the delicate marine and coastal environment.

The Secret Tunnel To Mexico’s Hidden Beach Inside A Cave 3
As the boat approaches the secret tunnel, visitors are asked to jump into the sea and swim through the tunnel.

>> Harpea cave – A natural masterpiece and the tale of a living earth

A Biodiversity Hotspot

Beyond its hidden beach, the Marietas Islands are a sanctuary for wildlife. Birdwatchers can spot the rare blue-footed booby, a species typically found only in the Galápagos and Marietas. The surrounding waters are rich in marine life, offering chances to see sea turtles, dolphins, and even humpback whales during migration season.

For those eager to dive deeper — literally — the area also features vibrant coral reefs perfect for snorkeling and scuba diving.

The Secret Tunnel To Mexico’s Hidden Beach Inside A Cave 4
A maximum of 117 visitors are allowed on the island per day, and each person is only allowed to stay on the beach for 20 minutes.

Playa del Amor isn’t just a beach — it’s a secret world carved by nature, a place that rewards the curious and brave. Whether you’re swimming through the tunnel, spotting exotic birds, or simply basking beneath the sunlight filtering through the cave roof, the hidden beach of Mexico promises a once-in-a-lifetime adventure.

The Secret Tunnel To Mexico’s Hidden Beach Inside A Cave
Playa del Amor beach is located in a secluded cave on the Marietas Islands off the coast of Riviera Nayarit, Mexico.

>> Cosquer cave: An underwater gateway to prehistoric times

FAQ

What is the Hidden Beach in Mexico?

The Hidden Beach, or Playa del Amor (Lover’s Beach), is a secluded stretch of white sand hidden inside a sunlit crater, surrounded by rocky walls with a gaping hole in the roof that opens to the sky. What makes it even more fascinating? You can only reach it by swimming through a narrow water tunnel carved into the rock.

It’s part of the Islas Marietas National Park, a protected marine reserve off the coast of Puerto Vallarta in Riviera Nayarit.

Where exactly is it located?

The beach is located on Isla Redonda, one of the Marieta Islands in the Pacific Ocean, about:

  • 1 hour by boat from Puerto Vallarta
  • 20–30 minutes by boat from Punta Mita or Sayulita
How do you get to the Hidden Beach?

You’ll need to book a licensed eco-tour operator to access the islands. Here’s how the journey works:

  1. Boat ride to the Marieta Islands
  2. Swim or kayak through a 25-meter-long water tunnel (at low tide, 6 ft of headroom)
  3. Arrive inside the sunlit crater to find the hidden paradise

Note: Swimming is required — you must be comfortable in the ocean. Life vests, snorkels, and guides are provided.

Is the tunnel safe to swim through?

Yes, with a guide and at the right tide conditions. The tunnel has no roof, allowing light and air, and is usually calm during low tide. However, entry is strictly regulated by the park to ensure safety and environmental preservation.

Why is it called the “Hidden” or “Lover’s Beach”?

“Hidden Beach” refers to its concealed location inside a crater, invisible from the ocean unless you’re right at the entrance.

“Playa del Amor” (Lover’s Beach) reflects its romantic, secluded setting, perfect for couples and dreamy escapes.

Is the crater natural or man-made?

The crater is natural, but its formation is thought to have been influenced by military testing in the early 1900s when the Mexican government used the islands for bombing practice. Over time, nature reclaimed the space, and today it’s a pristine ecological reserve.

What activities can I do there?

Most tours combine visits to Hidden Beach with other activities around the Marieta Islands:

  • Snorkeling in crystal-clear waters full of tropical fish
  • Whale watching (December–March)
  • Bird watching, especially for the rare blue-footed boobies
  • Kayaking & paddleboarding
  • Exploring sea caves and arches around the islands
How many people can visit per day?

To protect the ecosystem, the Mexican government limits:

  • Only 117 visitors per day
  • A 20-minute time limit per group on the beach
  • You must book well in advance through certified tour operators
Do I need a permit or special access?

Yes. Access is highly regulated, and you cannot go on your own. Only authorized tour companies are allowed to bring visitors. Your tour fee includes:

  • National park entry permit
  • Conservation fee
  • Equipment (snorkel, fins, vest)
  • Guide and safety briefing
When is the best time to visit?
  • Dry season (November to May) offers the best weather
  • Early morning tours are best for calm waters and fewer crowds
  • Avoid stormy days — tours may be canceled for safety

Pro Tip: Plan your trip during whale-watching season (Dec–Mar) for a bonus wildlife experience!

What should I bring?
  • Waterproof camera or GoPro
  • Reef-safe sunscreen
  • Swimwear and towel
  • Change of dry clothes
  • Waterproof bag
  • Snorkeling gear (if not provided by your tour)
Is it family-friendly?

Yes — for older children and teens who can swim confidently. The tunnel swim may not be suitable for very young kids or anyone uncomfortable in the ocean.

Why is it considered a must-visit destination?

Because no other beach in the world looks like this. The feeling of emerging from a narrow ocean tunnel into a hidden world of golden sand and blue sky is absolutely magical. It’s a perfect mix of natural wonder, mystery, and thrill.

The Hidden Beach of Mexico is one of the most unique and mesmerizing coastal wonders in the world. With its secret cave entrance, turquoise waters, and rich marine life, it’s no wonder it’s on many travelers’ bucket lists. Whether you’re seeking adventure, romance, or jaw-dropping views, this hidden gem delivers the magic.

Related Posts

Journey to Conquer Mount Roraima

Journey to Conquer Mount Roraima

ContentsThe Journey to the Hidden BeachStrict Conservation for a Fragile ParadiseA Biodiversity HotspotFAQWhat is the Hidden Beach in Mexico?Where exactly is it located?How do you get to the Hidden Beach?Is…

Read more
Devils Marbles

Devils Marbles: A stunning natural and spiritual wonder of Australia

Nestled within the arid, untamed landscape of the Outback, the Devils Marbles are a unique marvel that leaves visitors in awe. These massive granite boulders, precariously balanced and stacked, seem…

Read more
The World’s Largest 1,000-year-old Cashew Tree

The world’s largest 1,000-year-old cashew tree – Covering an area of 8,000 square meters

In northeastern Brazil, a remarkable natural wonder astonishes everyone who sees it: the Pirangi Cashew Tree, the largest cashew tree in the world. Not only is it a symbol of…

Read more
The Transparent Chapel In Belgium

The transparent chapel in Belgium: A fusion of art and architecture

Nestled in the serene countryside of Borgloon, Belgium, the “Reading Between The Lines” chapel stands as a unique architectural masterpiece, blending modern art with religious heritage. Designed by the architectural…

Read more
Silfra - The Marvelous Rift Where Two Continents Meet

Silfra: The marvelous rift where two continents meet

Iceland, the land of fire and ice, is renowned for its raw and majestic natural landscapes. Among its numerous natural wonders, the Silfra fissure stands out as a captivating destination…

Read more
The Inverted Fig Tree 3

The Inverted Fig Tree – A Fascinating Attraction in Naples

The inverted fig tree, found among the ruins of Baiae in Naples, Italy, is a peculiar and fascinating sight. Unlike any other tree, its roots do not anchor into the…

Read more