Google Maps:
Since walk there, bike there and transit directions have been added, google has become an invaluable resource in routing for the car-free traveler.Sadly Big Blue Bus data is still not yet on google transit, but is scheduled to come on-line a year ago.

Big Blue Bus:
The local bus system of Santa Monica. Generally clean and efficient, it is an essential component of car free travel in Santa Monica. A number of routes are designed not only to serve within the city, but to connect to other parts of the region. Such as line 10 express to downtown LA, the 3 to LAX, and the 1 to UCLA.