There are technical dives near Penang. I believe mostly wrecks since it's located at a WW2 hotspot. There's a cool video you can watch below:
For recreational diving Pulau Payar is the best bet, and sounds like @Anna1990 had a decent experience... Maybe I will schedule one to check it out when I go home next.
For recreational diving Pulau Payar is the best bet, and sounds like @Anna1990 had a decent experience... Maybe I will schedule one to check it out when I go home next.