Mae Ilha Caves
Protected Area
Reserva Extrativista Marinha De Itaipu
Why dive here
With 55+ marine species recorded in the area - including humpback whales - Mae Ilha Caves offers some of Arraial do Cabo's richest reef diving. Water ranges 22-28°C, warmest January, February, March.
Mae Ilha Caves is a proper playground, and we love it for its sheer accessibility and surprising density of life. It’s not about grand vistas here; it’s about getting up close and personal. Think squeezing through narrow openings into surprisingly spacious grottoes, the light playing tricks as it filters down from above. You'll often find yourself face-to-face with a curious common octopus, its eyes tracking your every move, or spot a delicate Delalande blenny peeking out from a crevice. The real magic happens when you pause and let your eyes adjust. We've seen entire walls covered in iridescent scissor date mussels, their tiny siphons extended, and the occasional speckled swimming crab scuttling past. Visibility hovers around 4 meters, which for a cave dive, often feels just right, adding to that sense of intimate exploration. This site is fantastic for newer cave divers or anyone who just wants to escape the open water for an hour, offering a genuinely unique experience in Arraial do Cabo. It’s a gentle introduction to overhead environments, with plenty of light and easy exits, proving that depth isn't everything.
Nearest Dive Centres to Mae Ilha Caves
Dive shops near Mae Ilha Caves
KAIMANA DIVE & BOAT
Mar Do Rio
DOMAR ATIVIDADES AQUATICAS
XDIVERS CENTRO DE MERGULHO
Dolphin Dive
Reviews for Mae Ilha Caves
Conditions
Ocean conditions, forecast and tides for Mae Ilha Caves
Mae Ilha Caves Ocean Conditions
Monthly averages for Mae Ilha Caves, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-23.23, -44.16) (12km away)
October Averages
Sea Temperature
23°C
73°F · Range: 17.8–26.6°C
Current Speed
8.49 cm/s
Direction: SW (225°)
Salinity
35.38 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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