I'm not really much of a beachgoer, and when I feel like a few days away from Pattaya, Rayong does it for me. It's a comfortable 90 minute drive away from home, and good road all the way- mostly just down Route 36, which conveniently bypasses Rayong city.
Here's a warts and all view along the Beach- notice the strewn plastic bags and stuff conveniently left as a Thai calling card. Actually, being late in the rainy season the Beach is prolly not at it's best, but it's got everything I want- food, beer, cheap rooms, a few farangs around and plenty of Thai tattiness.Those shacks you see above all sell seafood from the local fish markets, and they are good and cheap.
Looking the other way, towards the fishing pier and Rayong. There are fish markets also in Ban Phe, which is about 6 km away in the other direction. It's a good place to eat seafood here.
Sunset, Mae Ram Pheung.