Try to avoid the polluted air and sea coast of Rayong Thai Refinery Petrochemical Complex. Including Map Ta Phut. If you pass that area you will find a beautiful coastline that ends at the border line with Chanthaburi. Drive a few more miles on the highway and you will see the difference.
Nice beaches, Famous Sea food restaurants and hotels in Mae Ram Phueng Beach, Ban Phe or Koh Samet Island.👍