Estacionamento livre

Indeed, drive a bit further. There's space during the day on weekends, but arriving in the evening during the week is usually easy. During the day, the parking lot is full of people going to work at the airport and in Gibraltar. The parking lot is within walking distance of Gibraltar, but passport control is required.

Drive a little further to the square. N 36.154976 W 005.340411 €+$=Oss

Here you can only stand with a small bus camper. Backing out is also not possible because of benches and trees. A short distance further after the bend is a parking lot where you can stand. Lucky if you find a spot. Unclear if you are allowed to stand there overnight.