Experience the Marietas Islands up close: swim through the tunnel to Playa Escondida, snorkel vibrant reefs, watch blue-footed boobies, and spot migrating whales on a 4–5 hour small-group safari. Practical prep and tide-aware timing make this high-reward coastal adventure.
More ways to explore the area's outdoor wonders
The boat cuts through Bahia de Banderas at dawn, spray stinging your face as the Marietas rise from the blue like weathered sculptures. Guides check life vests, and the engine drops to a hush as you tie off near Isla Redonda. A short swim through a low tunnel delivers you into Playa Escondida — the beach appears like a sunlit secret, the ocean daring you to cross its narrow throat.
Difficulty
moderate
Duration
4–5 hours
Fitness Level
Moderate fitness — able to swim short distances, climb on and off a small boat, and move across uneven sand and rock.
Wildlife
History
Once used for military target practice, the Marietas were later designated a protected marine park to preserve nesting seabirds and reef habitat.
Conservation
Stay on guided tours that follow park rules, use reef-safe sunscreen, and avoid touching wildlife to minimize impact on the fragile marine sanctuary.
Reserve your spot on the small groups SAFARI to Marietas Islands including Hidden Beach today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Check tide windows
Playa Escondida is only accessible at low tide — confirm with your operator 24–48 hours in advance.
Bring reef-safe sunscreen
Protect coral and avoid skin irritation on long hours in the sun; apply before boarding.
Practice short swims
The tunnel swim is about 80 meters round trip; be comfortable with brief surface swims and wearing a life jacket.
Secure small items
Expect spray and boat movement — use a dry bag or zip-locks for phones, keys and passports.
Reef-safe sunscreen
Protects sensitive marine life and prevents sunburn during extended open-boat exposure.
summer
Swimwear and quick-dry towel
You’ll be entering the water multiple times; quick-dry items speed comfort between stages.
Water shoes
Protects feet when entering/exiting through rocky shorelines and on the boat ramp.
spring
Light wind layer
Mornings and returns can be cool and windy, especially in winter whale season.
winter