It's an amazing wreck from WW2 with plenty of easy exploration points suitable for beginners and more advanced divers.
Suddhadib wreck aka the Hardeep, located near Samesan area between Pattaya and Rayong.
Recommended certification : Advanced Diver
Max depth: 28 metres
Avarage depth: 22-26 metres
Bottom time: 20 - 30 min on Air
For more info about the wreck :
http://thai-scuba.com/wp/project/suddhadib-3d-gallery/