Andrea, with the new bus route that will be going to baby beach do you know if it will be possible to ride the bus to this event? I know you can do a bus tour, but then you don't have the freedom to come and go as you would with a public bus route.
There are regular bus routes to San Nic that leave from Oranjestad terminal. Not sure how late they run, but the station in San Nic is just a couple blocks from all the action. The schedules are at this site: