Arraial do Cabo

Often called the 'Brazilian Caribbean,' Arraial do Cabo stands out for its unique oceanographic phenomenon. A deep-sea upwelling brings cold, nutrient-rich waters to the surface, creating an explosion of marine life that contrasts sharply with the region's famous white-sand beaches and turquoise waters. This makes it a hotspot for biodiversity, attracting an incredible density and variety of species, from tiny seahorses to large schools of fish and turtles, making it one of Brazil's premier diving destinations.

Diving conditions here are distinct, with water temperatures significantly cooler than in other parts of Brazil. Visibility can vary but is often excellent, especially outside the summer high season. With a handful of accessible and diverse dive sites, including rocky shores, small caves, and a notable wreck, Arraial do Cabo offers compelling underwater experiences for all certification levels. Its easy accessibility from Rio de Janeiro makes it a perfect choice for divers seeking vibrant marine encounters and stunning coastal scenery.

Top Sites

Frequently Asked Questions

What's the most popular dive site in Arraial do Cabo, Brazil?
Saco do Cherne (Cherne's Cove) is widely considered the most popular dive site in Arraial do Cabo, Brazil. Its fame comes from the artificial reef created by the deliberately sunk tugboat 'Cherne'. This wreck attracts a huge amount of marine life, including large groupers, moray eels, and schools of fish. The site offers a fantastic combination of wreck diving and vibrant reef exploration in a relatively protected area, making it accessible for many divers and a must-do for photographers.
What are the good and less popular dive sites in Arraial do Cabo, Brazil?
Beyond the most popular spots, great sites include Gruta Azul (Blue Grotto) for its stunning light effects and Ponta da Jararaca for its rich turtle and ray populations. For a less-crowded dive, consider Ilha dos Franceses. This site is slightly more exposed and weather-dependent, but it rewards divers with beautiful rock formations, larger schools of fish, and a more pristine environment. It's a fantastic option when conditions are favorable.
What water temperature is it like throughout the year diving in Arraial do Cabo, Brazil?
Water temperatures in Arraial do Cabo, Brazil are cool due to a seasonal upwelling. During the summer (December-March), temperatures range from 20-23°C (68-73°F). In the winter (June-September), the water can be much colder, dropping to between 15-19°C (59-66°F). The shoulder seasons of spring and autumn see temperatures fluctuating within this range. Divers should always prepare for colder-than-expected conditions regardless of the season.
When is the best time to visit Arraial do Cabo, Brazil?
The best time to visit Arraial do Cabo, Brazil for diving is subjective. The shoulder seasons, spring (Sep-Nov) and autumn (Apr-May), offer a good balance of pleasant weather, warmer water, good visibility, and fewer crowds. Summer (Dec-Mar) has the warmest water but is the busiest season with potential for lower visibility due to rain. Winter (Jun-Sep) offers the best visibility and whale watching opportunities but features the coldest water temperatures.
What's the visibility like during the dive season in Arraial do Cabo, Brazil?
Visibility in Arraial do Cabo, Brazil is highly variable due to its unique upwelling system. It can range from 5 meters (15 feet) on days with high plankton concentration to over 20 meters (65 feet) on clear days. Generally, the best and most consistent visibility, often exceeding 15 meters, is found during the winter months (June to September) when there is less rain and runoff. Summer months can see reduced visibility due to plankton blooms.
Are there any seasonal migrations or special events (e.g., manta rays, whale sharks) in Arraial do Cabo, Brazil?
The most significant seasonal event for visitors to Arraial do Cabo, Brazil is the migration of humpback whales. These majestic creatures can be spotted off the coast from roughly June to September as they travel to their breeding grounds. While underwater encounters are rare and regulated, surface sightings from the dive boat are common and add a thrilling element to any dive trip during these months. Dolphins are also seen year-round.
What marine life can I expect to see in Arraial do Cabo, Brazil?
Divers in Arraial do Cabo, Brazil can expect to see a rich variety of marine life. Green sea turtles are extremely common and a main attraction. The area is also famous for seahorses, moray eels, lobsters, octopuses, and rays. You'll encounter large schools of sardines and anchovies, along with colorful nudibranchs, groupers, and various reef fish. The nutrient-rich water supports a bustling and dense underwater ecosystem.
What thickness wetsuit should I wear in Arraial do Cabo, Brazil?
Due to the cool water temperatures in Arraial do Cabo, Brazil, a 7mm full wetsuit is recommended year-round for optimal comfort. A hood and gloves are also highly advised, especially during the winter months (June-September) when water temperatures can drop below 18°C (64°F). While some divers may manage with a 5mm suit in the summer, a 7mm ensures you can fully enjoy longer dives without getting cold.
How do I get to Arraial do Cabo, Brazil?
To get to Arraial do Cabo, Brazil, most travelers fly into one of Rio de Janeiro's airports, Galeão (GIG) or Santos Dumont (SDU). From Rio, it is approximately a 170km (105 miles) journey. You can rent a car for a 2.5 to 3-hour drive, or take a comfortable intercity bus from Rio's main bus terminal (Rodoviária Novo Rio). The bus company Viação 1001 offers frequent, direct service to Arraial do Cabo.
Should I book a liveaboard or stay on shore in Arraial do Cabo, Brazil?
Diving in Arraial do Cabo, Brazil is entirely shore-based; there are no liveaboard operations in this region. All dive sites are located a short boat ride from the main port, Porto do Forno. Divers stay in hotels or local pousadas (inns) and take daily boat trips with local dive operators. This setup allows for great flexibility and the chance to enjoy the town's beautiful beaches, restaurants, and scenery after your dives.