for instance, biking enthusiasts, there's ostras cycle, one of brazil's three biker events, as well as, the o rio das ostras jazz & blues festival and the festival de frutos do mar (fruit of the sea festival) held every november.

for visitors looking to find more information on rio das ostras, this page maintained by portal rio das ostras turismo lists all touristic hotspots in town - published by the consórcio intermunicipal lagos são joão, this is a very useful map of rio das ostras showing all the beaches in town and the lagoon.

published by mapstore, this is a map of the protected areas of rio das ostras - for those interested in exploring some the beaches in this area, the instituto estadual do ambiente - inea, publishes a report on the conditions of some of the beaches in rio das ostras, and can be seen on this link.