once at castelo, bus line bus line 329 reaches praia do dendê in about 40 minutes - a schedule can be seen on this page, exit at estrada do tubiacanga corner with rua maestro paula e silva. due to safety concerns, we recommend going to ilha do governador 's beaches via taxi, and / or only accompanied by a professional guide or someone familiar with the area - a taxi ride costs about br$ 70 from rio's zona sul, each way.