The slot-machine parlour. Get the Coin Case from the man in the restaurant next door, buy coins at 1,000 Poke Dollars per 50 (or hunt the hidden coins on the floor) and trade them for Pokemon, TM15, TM23 and TM50. The Rocket Hideout entrance is behind the poster at the back.
Spatial guide
Kanto Atlas
Loading the map…
Loading atlas…
Nothing has been recorded about this yet.