Buenaventura is a harbor at the pacific coast in Colombia.
It is widely known as dirty and dangerous city. There is not much reason to visit except to take a boat out of there.
The bus station is close to the city center. There are frequent buses to and from Cali which is about 4 hours ride for around COP$10.000.
The docks are on the way in to town. There are boats to most places along the Pacific coast.
There are some cheap hotels near the bus station.