All resultsExplore/Rarotonga/Blackrock
Blackrock
Avarua, Rarotonga, Cook Islands
EntryBoat
Max depth17 m
LevelEstimated: Beginner-friendly
Water bodyPacific Ocean
Water temp24–28°C
Estimated from climate dataMar–Jan
About this site
Blackrock is a dive site near Avarua, Rarotonga, Cook Islands, in the Pacific Ocean. It is reached from a boat with a maximum depth of about 17 m. Commonly reported marine life includes moray eels, lionfish, groupers, sea turtles, nudibranchs. Typical surface water temperature ranges from about 24 to 28 °C over the year.
Conditions by month
BestGoodMixedOctoberBest
Typically one of the best months here.
Marine life
Recorded nearby
Blue-black UrchinEchinothrix diadema
Rock-boring UrchinEchinometra mathaei
GreenfishStichopus chloronotus
LollyfishHolothuria atra
Surf RedfishActinopyga mauritiana
White Thread FishHolothuria leucospilota
Azure Sea StarLinckia laevigata
Small Giant ClamTridacna maxima
Nearby sites
- 1Black Rock Chimneys0.1 km
- 2Black Rock Passage0.2 km
- 3Dianas Ridge0.3 km
- 4Labyrinth0.3 km
- 5Runway0.4 km
- 6FV Maritime Reefer0.5 km
Straight-line distances.
Sources: OpenDiveMap (ODbL) · Species occurrences: OBIS (CC BY 4.0), GBIF.org