Short, fast boat runs and sheltered rock arches make Los Arcos a top snorkel spot near Puerto Vallarta. Expect close encounters with reef fish, turtles, and seasonal whales plus a practical safety-first outing suitable for confident swimmers.
More ways to explore the area's outdoor wonders
The motor hum drops as the boat eases into a ring of dark rock pillars; salt spray lifts and the islands themselves seem to dare you to step over their sun-warmed shoulders and into the sea.
Difficulty
moderate
Duration
3–5 hours
Fitness Level
Moderate fitness; comfortable swimming ability and ability to climb in/out of a boat required
Wildlife
History
Los Arcos formed from volcanic flows that cooled and fractured into columns; the area has been a fishing and transit corridor for local communities for generations.
Conservation
The marine park is protected with permit requirements and local conservancy fees; visitors are encouraged to avoid touching coral and to use biodegradable products.
Reserve your spot on the Puerto Vallarta snorkel tour at Los Arcos today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Use reef‑safe sunscreen
Apply a water‑resistant, reef‑safe SPF before boarding to protect coral and reduce reapplication time on the water.
Bring a snug mask and snorkel
A well‑fitting mask prevents leaks and keeps visibility high for spotting fish and coral.
Wear non‑slip water shoes
Rocks on shore and wet boat decks are slippery — water shoes improve footing during beach access.
Hydrate and eat a light meal
Three to five hours on the water can dehydrate you; drink water and eat a light snack before departure.
Mask & snorkel (personal)
Personal gear often fits better than loaners and improves comfort and visibility.
Reef‑safe sunscreen
Protects skin and local marine life from harmful chemicals.
summer
Light dry bag
Keeps phone, ID, and snacks dry on deck or during beach stops.
Water shoes
Protects feet on rocky shores and provides traction boarding the boat.