The only reason it's worth mentioning this Maxol is that it happens to be the closest petrol station to the city centre on the south-side. There is another one on the Grand Canal near Kilmainham, and one on the Quays near the O2, but on this side I believe this to be the closest.
It's a slither of a petrol station barely two cars wide, but it manages to fit a miniaturised automated car-wash, an ATM and a shop that does magazines, coffees and pastries.
This area of town, though rather la-di-da during the day, has something of a reputation as an impromptu red-light district at night. The Maxol is open 24 hours or close to it, so be forewarned you may find the clientele to be somewhat colourful late at night read more