Flight
For out of town guests, SLO only has one small airport relatively close to town.
Train
Amtrak has a train from both Southern and Northern California that stops in downtown SLO. I (Phoenix) used to take it between college and home.
Hotel
This hotel is right across the street from the venue.
Hotel
An option next door to the venue, 167ft away according to Google Maps.
Hotel
Another good option! I used to sneak into the jacuzzi at this hotel.