ACAIÁ CAVE
Description.
🌌 Acaiá Cave: The Most Mysterious Experience on Ilha Grande
If you want to experience something truly different on Ilha Grande, this tour will leave a lasting impression.
Acaiá Cave is a rare natural phenomenon, with waters that shimmer in shades of green and blue when sunlight enters through an opening in the rock.
It's the kind of place that seems unreal… and few people know about it.
🏝️ What you will experience
This itinerary combines adventure, nature, and unique scenery:
🌌 Acaiá Cave
A true hidden cenote, with a natural fluorescent effect that transforms the water into shades of turquoise-green with bright spots.
🪨 Cave Exploration
To reach the interior, it is necessary to cross a narrow section of approximately 10 meters, passing through the rock until reaching an open area inside the cave.
💧 “Underground Beach”
At the end of the access, you'll find an inner space with calm, deep water, creating a unique sensation of being inside a hidden world.
🌊 Green Lagoon
Stop for a swim in calm, transparent waters, perfect for relaxing.
💎 Blue Lagoon
One of the most famous spots on the island, ideal for snorkeling and interacting with fish.
🚤 How the tour works
Departure by speedboat
Itinerary combining cave + lagoons
Stops for swimming, exploration, and photos
Support throughout the experience.
🌊 The itinerary may vary depending on tides, weather, and visibility, always guaranteeing the best possible experience.
⏱️ Duration and Prices
💰 Tour price: R$ 200 per person
🎟️ Cave entrance fee: approximately R$ 50 (paid separately)
⏳ Average duration: 6 hours
Departure and return times may be subject to slight changes.
✅ What's Included
✔️ Speedboat transportation
✔️ Licensed sailor/guide
✔️ Stops at Lagoa Verde and Lagoa Azul
✔️ Guided access to the cave
✔️ Life jackets, water, and onboard support
🚫 What's Not Included
❌ Entrance fee to Acaiá Cave
❌ Lunch during the tour
❌ Extra drinks
❌ Transportation to the embarkation point
⚠️ Important to Know
Access to the cave requires passing through a narrow space
Not recommended for those with claustrophobia
The intensity of the fluorescent effect depends on the daylight
Bring clothes that can get wet and sturdy footwear
🔥 Why is this tour unique?
Because it's not just a tour… it's an experience.
👉 One of the few places in the world with this natural effect
👉 Limited access and little explored
👉 A feeling of true discovery, off the beaten tourist track
It's the kind of place you won't find on just any itinerary.
📲 Secure your spot
This tour depends on specific light and sea conditions, which is why spots are even more sought after.
👉 Book in advance and guarantee this rare experience on Ilha Grande.