Praia do Forte is 1.5 - 2 hrs on a bus from Salvador.You can get the bus from Calçada near the bottom of the Lacerda lift or from the rodoviária bus station). The bus costs 6.5 reais May 2006.
Salvador's airport is to the northeast of the town, giving easy access to Praia do Forte if you want to by-pass Salvador itself. Car rental is available from several companies. Buses leave from the airport at 10.30 and 14.30 for Praia do Forte.