Explore the Marietas’ sea caves, snorkel clear reefs near Nopalera Beach, and watch seabirds wheel above volcanic rock. This compact, 2‑hour trip suits beginner snorkelers and small groups seeking wildlife and easy water time.
More ways to explore the area's outdoor wonders
The boat slips away from Bahía de Banderas and the islands rise from the blue—rock faces cutting into the sea, gulls riding the updrafts, and a crater that forms a natural stone bridge. You step onto clear water with a mask on and the reef pushes color up through the surface; currents nudge you along as frigatebirds circle overhead.
Difficulty
easy
Duration
2 hours
Fitness Level
Suitable for people with basic swimming ability and moderate mobility; expect short wet entries and exiting from small boats.
Wildlife
History
Once used for military target practice in the 20th century, the Marietas later received protected status to support seabird colonies and reef recovery.
Conservation
The islands are a protected area with regulated visitor access to reduce disturbance to nesting birds and to protect coral—use reef‑safe products and follow guide instructions.
Reserve your spot on the Tour islands Marietas Snorkeling and Nopalera Beach today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring reef‑safe sunscreen
Use mineral-based sunscreen to protect coral and reapply after swimming; some operators prohibit chemical sunscreens.
Arrive early
Morning departures usually mean calmer seas and better underwater visibility for snorkelers.
Secure seasickness remedies
If you’re prone to motion sickness, take preventative medication or use acupressure bands before departure.
Respect wildlife distance
Keep at least a few meters from birds and sea turtles and never touch coral or marine animals.
Mask & snorkel
A well‑fitting mask improves visibility and comfort in the water.
Reef‑safe sunscreen
Protects skin and the marine environment during sunny departures and returns.
summer
Light rashguard or wetsuit top
Adds sun protection and warmth for morning or breezy conditions.
spring
Dry bag or waterproof phone case
Keeps valuables dry while boarding, snorkeling, and on the boat.