If you've just checked in at BIG4 Casino Holiday Park and need to sort out groceries, banking or a prescription, Casino's town centre has the essentials covered within a short drive.
The town centre has supermarkets, banks, pharmacies and other everyday services — enough to cover the basics for a work stay or a stopover without needing to detour to a larger town. Casino is a genuine working regional town, so its services are set up for locals and visitors alike rather than being purely tourist-focused.

Trading hours to plan around
For anyone here on a local project, it's worth knowing the town centre keeps fairly standard trading hours, so an early or late shift might mean planning a grocery run around them rather than assuming you can duck out whenever suits. The servos on the way into town are a reasonable backup outside those hours.
If you need more: Lismore
If you need something beyond what Casino's town centre offers, Lismore is a reasonable drive away and has a wider range of retailers and services — worth knowing about if you need something more specific, though for day-to-day essentials you're unlikely to need to make that trip.
For road travellers breaking up a longer journey, the town centre is close enough to the park that a quick stop for supplies doesn't add much time to your overall trip.
The takeaway: Casino's town centre covers your everyday essentials within a short drive of the park, with Lismore close by if you need a wider range.
Worth knowing if you're here for a longer work stint: Casino's town centre is compact enough that once you've done one proper shop, you'll generally know where everything is without needing to think about it much on future trips — a small thing, but it makes repeat errands considerably faster over a multi-week stay.