Quarry Park has an on-site shop with more than 1000 discs in stock as well a s wide variety of disc golf bags, towels, baskets and other disc golf accessories.  The main brands that we stock are Innova, MVP and Latitude 64, but we have a limited range of  Discraft, Dynamic Discs, Kastaplast, Yikun and Discmania. We can take payment by debit or credit card in the shop. Main prices are as follows

Latitude Retro: £9
Innova DX: £10
Latitude 64 Zero: £11
Discraft D plastic: £11
Innova Pro and Discraft X plastic: £13
Latitude 64 Opto: £15
Innova Champion: £15
Latitude 64 Gold: £16
Innova Star and Discraft Z: £16
Discraft ESP/FLX: £17
Bags start from £14
Add £3 for dyed and glow discs
Set of 3 Golf Discs by DiscGolfUK £23

There are hundreds of combinations of different molds and plastics, so I have written some advice on what to buy when you start out.
Here are links to 3 of the main manufacturers, where you can find specific details of all their products.