I recommend these guys, they had a special on for Baht 14900, they will collect you from Phuket, they are super friendly, great atmosphere on the boat, good DM's (Tik is especially good) and the food is AWESOME.
I got back last week and had a great time.
http://www.khaolakscubaadventures.com
Regards
I got back last week and had a great time.
http://www.khaolakscubaadventures.com
Regards