Cruise mangrove channels and snorkel the reef on a full-day eco safari from Cancun to Sian Ka'an. Expect wildlife sightings, a long travel day, and practical tips for reef-safe snorkeling.
More ways to explore the area's outdoor wonders
You step off the bus and the Atlantic wind rearranges your hair as mangroves press close like watchful guardians. The boat hums away from the shallow coast and the bay opens — a broad, saline plain where birds quarter the sky and the barrier reef drops like a shadowed lip.
Difficulty
moderate
Duration
11–12 hours
Fitness Level
Good for travelers with basic endurance; expect extended periods of standing, boarding boats and light swimming.
Wildlife
History
Sian Ka'an has been used by Maya communities for centuries for fishing and salt extraction; its name means 'Origin of the Sky' in the Mayan language.
Conservation
The area is a protected biosphere—visitors pay a conservation fee and are asked to use biodegradable products and avoid touching coral to minimize impact.
Reserve your spot on the Eco Tour at Sian Kaan! Swim and Safari from Cancun today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring cash for the biosphere tax
There is a mandatory Sian Ka'an conservation fee (~US$13) usually collected on arrival—have small bills ready.
Use reef-safe sunscreen only
Only biodegradable, reef-safe sunscreen and insect repellent are allowed to protect coral and marine life.
Prepare for a long day
Transfers plus the 3-hour boat ride mean 11–12 hours away from base—pack snacks, a refillable water bottle, and meds.
Wear secure, quick-dry footwear
Shallow boat launches and rocky shore entries are common—closed-toe water shoes help with traction and protection.
Reef-safe sunscreen
Protects skin while preventing coral damage—mandatory in the reserve.
summer
Snorkel mask (or rental)
A well-fitting mask improves visibility and comfort during reef swims.
Quick-dry clothing & towel
Dries fast after snorkeling and keeps you comfortable on the long transfer.
Motion-sickness remedies
Helps if you're prone to seasickness on open-water stretches.