The trip to Providencia departs from San Andrés. There are two options to go: A 20 minutes flight in a small plane or by sea on a 2 hours trip in a catamaran.
To get to Santa Catalina Just walk walking the floating Lovers’ Bridge from downtown Providence.
Public transport in Providencia is very little. You can find Taxi service, rental of motorcycles, bicycles and carts.
Santa Catalina has no roads. It is a 1 Km2 island where you can walk.