Achaia Cave: Ilha Grande's Glimmering Grotto

Discover the magical Achaia Cave on Ilha Grande: a hidden grotto illuminated by turquoise, shimmering light.

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Achaia Cave

Achaia Cave (Gruta do Acaia) is a captivating sea cave on Ilha Grande, near Praia Vermelha. Famous for its narrow entrance and the turquoise glow created by sunlight filtering through an underwater opening, it's a must-see for adventurous travelers.

A brief summary to Achaia Cave

Gruta do Acaiá, Angra dos Reis, Praia Vermelha da Ilha Grande, State of Rio de Janeiro, 28967-000, BR

Local tips

Visit on a sunny day, preferably around noon, for the best lighting effects inside the cave.
Wear comfortable shoes suitable for hiking and crawling through tight spaces.
Bring a flashlight to enhance the light effects and navigate the darker areas of the cave.
Check weather conditions before visiting, as the cave is not suitable for exploration during rainy days or when the sea is rough.
Book a tour in advance, especially during peak season, to ensure access and a guided experience.

Getting There

Boat

The most common way to reach Achaia Cave is by boat from Vila do Abraão, the main hub on Ilha Grande. 1. **From Vila do Abraão:** Head to the main pier. Several boat tours include Achaia Cave in their itinerary, often combined with visits to Lagoa Azul and Lagoa Verde. 2. **Boat Options:** * **Shared Tours:** These are widely available and typically last around 7 hours, including multiple stops. Prices range from R$100-R$200 per person. * **Private Boat:** You can also hire a private boat for more flexibility. Negotiate with local boatmen at the harbor. Expect to pay around R$400-R$800 depending on the boat size and trip duration. 3. **Praia Vermelha Stop:** Most boat tours will stop at Praia Vermelha, the closest beach to the cave. From there, it's a short walk along the coast to the cave entrance. 4. **Entrance Fee:** There is an entrance fee of R$25 per person to enter Achaia Cave. Consider booking in advance, especially during peak season.
Ferry and Hiking

To reach Achaia Cave using a combination of ferry and hiking: 1. **From Angra dos Reis:** Take a ferry from the main terminal to Vila do Abraão on Ilha Grande. Ferries operate multiple times a day. The ferry ride takes approximately 1 hour. A one-way ticket costs R$20.50. 2. **Hike to Praia Vermelha:** From Vila do Abraão, follow the trail to Praia Vermelha. The hike is moderately challenging and takes about 1.5 to 2 hours. 3. **Cave Entrance:** Upon reaching Praia Vermelha, the cave entrance is a short walk along the coast. 4. **Entrance Fee:** Pay the entrance fee of R$25 per person at the cave entrance.

Discover more about Achaia Cave

Achaia Cave, or Gruta do Acaia, is a natural wonder located near Praia Vermelha on Ilha Grande, Angra dos Reis. This mesmerizing sea cave is renowned for its unique geological formations and the ethereal, turquoise light that illuminates its interior. To enter the cave, visitors descend through a narrow opening, about 10 meters, which requires some crawling and can be challenging for those with claustrophobia or mobility issues. Inside, sunlight streams through an underwater passage, creating a stunning display of fluorescence on the cave walls and water. The effect is a turquoise-green glow, with lights that flicker and sparkle like diamonds. The cave itself is relatively small, but the experience is unforgettable. The play of light and shadows, combined with the sound of the waves, creates a unique and magical atmosphere. The surrounding area is also rich in biodiversity, offering opportunities for nature walks and birdwatching. According to local legend, the name 'Vermelha' (Red) for the nearby beach comes from the indigenous people who made bonfires on the beach, turning the sand red. Another story suggests it's from the whaling era when the beach was used to butcher whales, staining the water red with blood.

Iconic landmarks you can’t miss

EU S2 ILHA GRANDE

21.1 km

Discover Ilha Grande: Pristine beaches, lush trails, and a rich history await on this breathtaking Brazilian island paradise.

Ilha Grande Hiking

21.1 km

Discover the adventure and natural beauty of Ilha Grande, Brazil's ultimate hiking and outdoor paradise.

Praia Do Caxadaço

21.3 km

Experience the pristine beauty and tranquility of Praia Do Caxadaço, a hidden gem in Ilha Grande State Park, perfect for relaxation and exploration.

Praia do Canto

21.5 km

Discover Praia do Canto in Ilha Grande: a peaceful beach escape with clear waters, soft sands, and stunning sunset views.

Conceição Beach

26.4 km

Discover tranquility at Conceição Beach in Angra dos Reis: Calm waters, golden sands, and easy access to local amenities await.

Bocaina Mountain Range National Park

39.0 km

Discover Brazil's natural beauty at Bocaina Mountain Range National Park: hiking, waterfalls, history, and diverse wildlife await!

LITORAL NORTE

78.7 km

Discover Ubatuba's Litoral Norte: Where pristine beaches meet lush rainforests for an unforgettable Brazilian coastal adventure.

Presidio ruins of Anchieta Island

82.2 km

Discover the haunting beauty and rich history of Anchieta Island's Presidio ruins, a unique blend of nature and historical significance off Ubatuba's coast.

Sítio Roberto Burle Marx - IPHAN

85.8 km

Discover the enchanting Sítio Roberto Burle Marx, a stunning cultural center and park in Rio de Janeiro, showcasing the brilliance of landscape artistry and rich biodiversity.

Grumari Beach

87.4 km

Discover Grumari Beach: A tranquil escape offering natural beauty, surfing, and hiking in Rio de Janeiro's protected west zone.

Mirante do Roncador

90.3 km

Discover panoramic ocean views and serene beaches at Mirante do Roncador, a must-visit destination in Rio de Janeiro's Recreio dos Bandeirantes.

Pedra do Roncador

90.7 km

Discover Pedra do Roncador in Rio de Janeiro: Hike to panoramic views, explore coastal beauty, and immerse yourself in nature's tranquility.

Itatiaia National Park

93.3 km

Discover Brazil's first national park: Itatiaia, where stunning landscapes, diverse trails, and rich biodiversity await in the heart of Serra da Mantiqueira.

Serra da Mantiqueira Environmental Protection Area

94.4 km

Discover Brazil's Serra da Mantiqueira Environmental Protection Area: a mountain escape with rich biodiversity, stunning views, and outdoor adventures.

Pedra da Mina

95.4 km

Hike to the summit of Pedra da Mina, the 4th highest peak in Brazil, for breathtaking panoramic views from the heart of Serra da Mantiqueira.

Unmissable attractions to see

Ponta Acaia

1.0 km

Discover Ponta Acaia in Ilha Grande: Explore the magical Acaia Cave, snorkel in crystal-clear waters, and immerse yourself in natural beauty.

Praia da Calema

2.3 km

Discover Praia da Calema on Ilha Grande: a serene escape with pristine sands, clear waters, and lush hiking trails for a tranquil retreat.

Piscina Natural da Praia Vermelha

2.6 km

Discover the serene Piscina Natural da Praia Vermelha on Ilha Grande: perfect for snorkeling, relaxation, and experiencing natural beauty.

Praia do Provetá

3.2 km

Discover the serene beauty of Praia do Provetá, a tropical haven in Angra dos Reis, perfect for relaxation and unforgettable experiences in nature.

Praia de Araçatibinha

4.0 km

Discover the serene beauty of Praia de Araçatibinha, a hidden gem in Rio de Janeiro perfect for relaxation, adventure, and authentic local experiences.

Great Beach of Araçatiba

5.1 km

Discover the beauty of the Great Beach of Araçatiba, a serene paradise in Angra dos Reis, Brazil, perfect for relaxation and adventure.

Aventureiro

5.8 km

Discover the tranquility and beauty of Aventureiro Beach in Rio de Janeiro, a hidden paradise perfect for relaxation and adventure.

Praia do Aventureiro

5.9 km

Explore Praia do Aventureiro, a serene beach paradise in Angra dos Reis, where golden sands meet lush nature for unforgettable adventures.

Mirante do Espia, Aventureiro, Ilha Grande-RJ

6.2 km

Ascend to Mirante do Espia on Aventureiro Beach for unparalleled panoramic views of Ilha Grande's stunning coastline and natural beauty.

Mirante do Espia, Aventureiro, Ilha Grande-RJ

Praia dos Meros

6.5 km

Experience the tranquil beauty of Praia dos Meros, a hidden beach paradise in Angra dos Reis, perfect for relaxation and snorkeling adventures.

Ponta de Ubatubinha

9.0 km

Discover Ponta de Ubatubinha in Angra dos Reis: Calm waters, snorkeling, and scenic beauty await in this serene beach escape.

Pinguino

10.5 km

Explore the underwater world of Angra dos Reis at the Pinguino shipwreck, a haven for marine life and a glimpse into maritime history.

Praia de Maguaraquissaba

10.7 km

Experience the pristine beauty of Praia de Maguaraquissaba, a tropical beach paradise in Angra dos Reis, Brazil, perfect for relaxation and adventure.

Praia Aripeba

11.4 km

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Praia do Dentista

11.5 km

Discover the serene beauty of Praia do Dentista, a hidden paradise on Ilha da Gipóia perfect for relaxation, exploration, and breathtaking sunsets.

Experience family-friendly hospitality at Lady Roots House; enjoy local cuisine and unforgettable tours in beautiful Angra dos Reis.

Discover Shopping Alfa in Vila do Abraão, Angra dos Reis – a vibrant shopping destination with a mix of local charm and international flair.

Art Esanato

20.9 km

Discover the vibrant local fashion at Art Esanato, where handcrafted clothing and accessories reflect the essence of Angra dos Reis.

Essential bars & hidden hideouts

Ticão Bar

2.3 km

Discover the vibrant atmosphere and stunning views at Ticão Bar, the perfect spot to unwind in Angra dos Reis, Brazil.

Aloha restaurante/bar

4.3 km

Discover Aloha Restaurante/Bar in Ilha Grande for exquisite cocktails and fresh seafood with stunning ocean views.

Bacanas Bar flutuante

9.6 km

Discover Bacanas Bar Flutuante in Angra dos Reis - a floating bar serving delicious Brazilian cuisine with breathtaking views of Ilha Grande.

Bar da Praia

19.1 km

Experience the vibrant beach culture at Bar da Praia in Angra dos Reis, where delicious drinks and stunning ocean views await.

D' Boa Bar e Restaurante

20.5 km

Experience the best of Brazilian cuisine and vibrant nightlife at D' Boa Bar e Restaurante, a top destination in Angra dos Reis.

Moulin Ilha

20.8 km

Experience the vibrant atmosphere and stunning views at Moulin Ilha, a must-visit bar in Vila do Abraão, Ilha Grande.

Fulano e Sicrano

20.9 km

Experience the best of Brazilian tapas and churrasco at Fulano e Sicrano in breathtaking Ilha Grande State Park.

Resenhas Bar Petiscaria

20.9 km

Experience the vibrant flavors of Brazil at Resenhas Bar Petiscaria, where tradition meets coastal charm in Angra dos Reis.

Point do Mineiro e CIA

20.9 km

Discover the vibrant nightlife at Point do Mineiro e CIA, a local bar in Angra dos Reis offering delicious drinks and a lively atmosphere.

Garten Gastrobar

20.9 km

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Boteco Nosso Canto

20.9 km

Experience the vibrant flavors and tropical vibes at Boteco Nosso Canto, a must-visit cocktail bar in Vila do Abraão, Ilha Grande, Brazil.

Buteko beer

20.9 km

Experience the vibrant atmosphere and local flavors at Buteko Beer, a must-visit bar in Angra dos Reis, perfect for tourists seeking authenticity.

Pit Stop Drinks Ilha Grande

21.2 km

Discover the vibrant atmosphere and refreshing drinks at Pit Stop Drinks Ilha Grande, a must-visit bar in Vila do Abraão for travelers seeking relaxation and fun.

Bar do Che Ilha Grande

21.6 km

Experience the vibrant nightlife at Bar do Che Ilha Grande, where delicious cocktails meet live music in a stunning island setting.

Doriel Bar Beach

21.7 km

Discover the vibrant atmosphere and stunning views at Doriel Bar Beach, a cocktail paradise in Angra dos Reis.

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Achaia Cave: Ilha Grande's Glimmering Grotto

A brief summary to Achaia Cave

Local tips

Getting There

Boat

Ferry and Hiking

Unlock the Best of Achaia Cave

Buy tickets

Book tours with entry

Book tours without entry

Discover more about Achaia Cave

Iconic landmarks you can’t miss

EU S2 ILHA GRANDE

Ilha Grande Hiking

Praia Do Caxadaço

Praia do Canto

Conceição Beach

Bocaina Mountain Range National Park

LITORAL NORTE

Presidio ruins of Anchieta Island

Sítio Roberto Burle Marx - IPHAN

Grumari Beach

Mirante do Roncador

Pedra do Roncador

Itatiaia National Park

Serra da Mantiqueira Environmental Protection Area

Pedra da Mina

Unmissable attractions to see

Ponta Acaia

Praia da Calema

Piscina Natural da Praia Vermelha

Praia do Provetá

Praia de Araçatibinha

Great Beach of Araçatiba

Aventureiro

Praia do Aventureiro

Mirante do Espia, Aventureiro, Ilha Grande-RJ

Praia dos Meros

Ponta de Ubatubinha

Pinguino

Praia de Maguaraquissaba

Praia Aripeba

Praia do Dentista

Essential places to dine

Restaurante e Pousada Coqueiro Verde

Gruta das Estrelas

Restaurante Refúgio Das Caravelas

Maktub restaurante

God is Good

Restaurante Adega Farol dos Castelhanos

Ilha Grande Restaurante Pizzaria

Biergarten Pub

Los Mexicanos Ilha Grande

Gurisa

Bardjeco

Restaurante Dom Mario

Bar e Restaurante Banana da Terra

Casarão da Ilha

Lady Roots House

Markets, malls and hidden boutiques

Docce Mistura

Maré Alta

Loja María Bonita

Sil Modas

Luz de Gaia

Danimar Ilha Grande

Armazém Express

Shopping do Idilio

Cores da Ilha Moda Praia

Biergarten Hostel

Mabela Atelie

Barraca do doçe

Loja Alma Ilha

Shopping Alfa

Art Esanato

Essential bars & hidden hideouts

Ticão Bar

Aloha restaurante/bar

Bacanas Bar flutuante

Bar da Praia