Ilha dos Ratos - Arraial do Cabo
Ilha dos Ratos sits right off Arraial do Cabo, making it an easy boat ride out. You’ll typically find schools of grunts and snappers hanging around the rock formations, often with stingrays resting on the sandy patches. It's a straightforward dive, usually with mild currents, good for knocking the dust off your gear or for newer divers looking for a relaxed outing. Visibility here can vary a bit, but even on an average day, there’s plenty to observe.
- Location
- Arraial do Cabo, Brazil, South America
- Coordinates
- -23.197805, -44.608097
Marine Protected Area: Área De Proteção Ambiental Da Baía De Paraty
Best Time to Dive in Arraial do Cabo
The warmest water temperatures in Arraial do Cabo occur in January, averaging 26.6°C. The coolest conditions are in August at 21.6°C.
Monthly Water Temperatures
- January: 26.6°C
- February: 26.4°C
- March: 26.5°C
- April: 25.0°C
- May: 24.0°C
- June: 22.9°C
- July: 21.9°C
- August: 21.6°C
- September: 22.2°C
- October: 23.0°C
- November: 23.4°C
- December: 24.8°C
Nearby Dive Sites in Arraial do Cabo
- ALINA P - 19m (wreck)
- AQUIDABAN - 16m (wreck)
- Baixo do Carapebus (reef)
- Baixo do Carapebus (reef)
- Baixo do Marobá (reef)
- Baixo do Marobá (reef)
- Baixo do Una (reef)
- Baixo do Una - 10-20m (reef)
- BATEAU MOUCHE IV - 17m (wreck)
- Bunda do Elefante - 10-25m (reef)
- Buraco do Mero - 15-30m (cave)
- California
- Canal da Ilha Menina (wall)
- CORI BROTHERS - 7m (wreck)
- Coroa Grande
Nearest Dive Centres to Ilha dos Ratos
Marine Life in Arraial do Cabo
Home to 62 recorded species including 44 reef fish, 3 other, 3 crabs & lobsters, 3 sea urchins, 2 whales & dolphins, 2 seagrass & algae.
Notable Species
- Estuarine Dolphin (Sotalia guianensis) - Whales & Dolphins
- Sergeant-major (Abudefduf saxatilis) - Reef Fish
- Demoiselle (Stegastes fuscus) - Reef Fish
- Porkfish (Anisotremus virginicus) - Reef Fish
- Caesar (Haemulon aurolineatum) - Reef Fish
- South-American Silver Porgy (Diplodus argenteus) - Reef Fish
- Ringneck Blenny (Parablennius pilicornis) - Reef Fish
- Black-ear wrasse (Halichoeres poeyi) - Reef Fish
- Dusky grouper (Epinephelus marginatus) - Reef Fish
- Savigny's Brittle Star (Ophiactis savignyi)
- Butterbun (Chaetodon striatus) - Reef Fish
- Sea lettuce (Ulva lactuca) - Seagrass & Algae
- Seaweed Blenny (Parablennius marmoreus) - Reef Fish
- Grunt (Haemulon steindachneri) - Reef Fish
- Mangrove Tree Crab (Aratus pisonii) - Crabs & Lobsters
- Comb Grouper (Mycteroperca acutirostris) - Reef Fish
- Cook (Holocentrus adscensionis) - Reef Fish
- Cluck (Pareques acuminatus) - Reef Fish
- Spotted Goatfish (Pseudupeneus maculatus) - Reef Fish
- thorny worm (Glycera americana) - Worms
Recommended Packing List for Ilha dos Ratos
Based on average water temperature of 24.0°C, currents 7 cm/s.
- Shorty or Rashguard - warm 24°C water needs minimal exposure protection
- Mask - essential for every dive
- Fins
- BCD - buoyancy compensator
- Regulator - your most safety-critical piece of gear
- Dive Computer - tracks depth, time, and NDL
- Surface Marker Buoy (SMB) - essential for boat pickups
- Dive Torch - useful for crevices and colour at depth
- Underwater Camera - capture your diving memories