Canoa used to be famous for its lack of crime and dangers. While still not comparable to any large Brazilian city, muggings are ever more frequent, particularly targeting lone party-goers on their way home from the beach in the wee hours.
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Area code 88
Cyber cafés are now plentiful, although still somewhat slower than the cities. R$ 3 / hours is fair.
The cell phone networks could jam at peak hours of high season.