Did you know that the famous Hidden Beach (Playa del Amor) on Isla Marietas was formed by military bomb testing in the early 1900s? This crater-like wonder is now one of Mexico’s most sought-after natural attractions, accessible only by swimming through a water tunnel when tide conditions permit. Located just 32 km (20 miles) northwest of Puerto Vallarta, the Marietas Islands National Park is a UNESCO Biosphere Reserve that offers visitors a unique blend of natural beauty, biodiversity, and adventure.
Getting There & Planning Your Journey
The Marietas Islands are only accessible by boat, with no direct land access available. Most visitors reach the islands through organized tours departing from Puerto Vallarta, Nuevo Vallarta, or Punta Mita. The boat journey takes approximately 1 hour from Puerto Vallarta or just 15 minutes from Punta Mita.
Important Planning Tips:
- The national park is closed on Mondays and Tuesdays for environmental conservation.
- Access to Hidden Beach (Playa del Amor) is strictly limited to 116 visitors per day.
- Advance reservations are essential, especially during peak tourist seasons.
- Only authorized tour operators can take visitors to the islands.
- The entire park has a daily capacity limit of 625 visitors to protect the ecosystem.
Best Time to Visit Isla Marietas
The islands can be visited year-round, but certain seasons offer distinct advantages depending on your interests.
| Season | Months | Weather | Highlights | Notes |
| Peak Season | December-April | 23-30°C (73-86°F), dry | Whale watching, clear waters | Book tours well in advance |
| Shoulder Season | May, November | 25-32°C (77-90°F), moderate humidity | Fewer crowds, good visibility | Excellent value for money |
| Low Season | June-October | 28-33°C (82-91°F), humid, occasional rain | Lower prices, lush landscapes | Tours may be canceled during storms |
Weather Considerations
The best time to visit for optimal weather conditions is from November to May during the dry season. Water visibility is excellent during these months, making it ideal for snorkeling and diving. If you’re interested in whale watching, plan your visit between December and March when humpback whales migrate to the area to give birth.
Getting Around Locally
Once you arrive in Puerto Vallarta or Punta Mita, you have several options for reaching the departure points for Marietas Islands tours:
From Puerto Vallarta
- Taxis are readily available throughout Puerto Vallarta to take you to Marina Vallarta.
- Public buses run along the main boulevard with stops near the marina.
- Many hotels offer shuttle services to the marina for tour departures.
From Punta Mita
- Corral del Risco beach is the main departure point for shorter boat rides to the islands.
- Taxis from nearby resorts can take you to the beach departure points.
- Some tours include hotel pickup and transportation to the departure point.
Where to Stay
While the Marietas Islands themselves are uninhabited and overnight stays are not permitted, there are excellent accommodation options in nearby areas that make for convenient bases to visit the islands.
Puerto Vallarta
The main tourist hub with the widest range of accommodations from luxury resorts to budget hostels. Offers vibrant nightlife and dining options.
30-60 min boat ride
Punta Mita
Upscale area with luxury resorts and private villas. Closest mainland point to the islands with shorter boat rides (15-20 minutes).
15-20 min boat ride
Sayulita
Bohemian surf town with boutique hotels and vacation rentals. Offers a laid-back atmosphere and unique local culture.
Tour operators available
Attractions, Sightseeing & Activities
The Marietas Islands offer a variety of activities for nature lovers and adventure seekers. Here are the top attractions and experiences not to miss:
Playa del Amor (Hidden Beach)
The crown jewel of Isla Marietas, this secluded beach is nestled inside a crater-like formation and is only accessible by swimming through a 30-40 meter (98-131 foot) water tunnel during low tide. Due to strict conservation efforts, only 116 visitors are permitted daily, and advance reservations are essential.
Snorkeling & Diving
The waters surrounding the islands are teeming with marine life, including colorful tropical fish, sea turtles, octopus, manta rays, and vibrant coral formations. La Nopalera Beach offers excellent snorkeling opportunities with its crystal-clear waters.
Wildlife Watching
The Marietas Islands are home to over 90 bird species, including the iconic blue-footed booby. During winter months (December to March), humpback whales can be spotted breaching and playing in the surrounding waters as they migrate to give birth.
Nature & Outdoor Experiences
As a UNESCO Biosphere Reserve and Ramsar Wetland of International Importance, the Marietas Islands offer exceptional natural experiences:
Marine Life
The protected waters around the islands harbor an incredible diversity of marine species:
- Olive Ridley sea turtles
- Manta rays and eagle rays
- Dolphins and humpback whales (seasonal)
- Octopus and eels
- Over 100 species of tropical fish
- Various coral formations
Bird Watching
The islands are a critical habitat for numerous bird species:
- Blue-footed boobies (one of few colonies in Mexico)
- Brown boobies (largest breeding colony in the world)
- Red-billed tropicbirds
- Frigatebirds
- Brown pelicans
- Various seagull species
Conservation Efforts
The Marietas Islands face significant conservation challenges due to their popularity. In 2016, Hidden Beach was temporarily closed to allow the ecosystem to recover from overtourism. Today, strict visitor limits and regulations are in place to protect this fragile environment, including coral restoration projects and monitoring of wildlife populations.
Safety, Etiquette & Local Customs
Visiting the Marietas Islands comes with important responsibilities to ensure both your safety and the preservation of this delicate ecosystem:
Safety Guidelines
- Always wear the provided life jacket during water activities.
- Follow your guide’s instructions at all times.
- Swimming to Hidden Beach requires moderate fitness levels.
- Be aware of tide conditions, as they affect access to certain areas.
- Bring sufficient water to stay hydrated in the tropical climate.
- Apply reef-safe sunscreen before arriving at the islands.
Environmental Etiquette
- Do not touch or stand on coral formations.
- Keep a respectful distance from wildlife, especially nesting birds.
- Take all trash with you – no disposal facilities exist on the islands.
- Use only biodegradable sunscreen to protect marine life.
- Stay on designated paths and areas indicated by your guide.
- No fishing, collecting souvenirs, or removing anything from the park.
Important: Food and beverage consumption is prohibited within the National Park boundaries. Tour operators provide refreshments on their boats, but these cannot be taken onto the islands.
Practical Travel Tips
Make the most of your visit to Isla Marietas with these essential tips:
What to Pack
- Biodegradable sunscreen
- Quick-dry clothing
- Water shoes or sandals
- Waterproof camera/phone case
- Hat and sunglasses
- Towel and change of clothes
Tour Selection
- Verify if Hidden Beach access is included
- Check if equipment is provided
- Confirm departure location
- Ask about meal/refreshment options
- Inquire about group size
- Review cancellation policies
Local Information
- Currency: Mexican Peso (MXN)
- Language: Spanish (English widely spoken)
- Time zone: Central Standard Time (CST)
- Tipping: 15-20% for guides is customary
- Cell service: Limited on the islands
- Electricity: 127V/60Hz (Type A/B plugs)
Ready for Your Isla Marietas Adventure?
The Marietas Islands offer a rare combination of natural beauty, biodiversity, and adventure that makes them a must-visit destination near Puerto Vallarta. From swimming through a tunnel to reach the world-famous Hidden Beach to snorkeling alongside colorful marine life and spotting blue-footed boobies in their natural habitat, the experiences here are truly unforgettable.
By visiting responsibly and respecting the conservation efforts in place, you’ll help ensure this remarkable UNESCO Biosphere Reserve remains pristine for generations to come. Start planning your journey to this Mexican paradise today!
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