Costao de Itaipu
Protected Area
Reserva Extrativista Marinha De Itaipu
Why dive here
With 55+ marine species recorded in the area - including humpback whales - Costao de Itaipu offers some of Arraial do Cabo's richest reef diving. Water ranges 22-28°C, warmest January, February, March.
Costao de Itaipu, for us, is all about slowing down. It’s a shallow spot, rarely deeper than six metres, which makes it perfect for longer bottom times and really focusing on the small stuff. We love it especially at night, when the place truly comes alive. Drop in and you’re immediately immersed in a different world – the flashlights pick out things you’d never spot during the day. We’re talking about finding sleeping parrotfish tucked into crevices, watching brittle stars unfurl their arms across rocks, and the sheer number of siri crabs scuttling over the sand. It’s not the place for big pelagics, but if you’re into macro life, this is your jam. Keep an eye out for those distinctive Blackberry Drupes clinging to the rocks, and we’ve often seen Brazilian red anemones glowing under our lights. The visibility averages around four metres, which sounds low, but it actually adds to that intimate, almost cave-like feel at night. It’s a fantastic site for photographers keen on patience and finding those unique nocturnal behaviours, or just for divers who appreciate a quiet, unhurried exploration.
Nearest Dive Centres to Costao de Itaipu
Dive shops near Costao de Itaipu
KAIMANA DIVE & BOAT
Mar Do Rio
DOMAR ATIVIDADES AQUATICAS
XDIVERS CENTRO DE MERGULHO
Dolphin Dive
Reviews for Costao de Itaipu
Conditions
Ocean conditions, forecast and tides for Costao de Itaipu
Costao de Itaipu Ocean Conditions
Monthly averages for Costao de Itaipu, 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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