Yes. Although we recommend that you always drink bottled water, the ice in restaurants is a different story.
Restaurants and hotels in Thailand buy prepackage ice that is made out of filtered water. You will not have any problems having ice with your drink.
Posted on Gods of Thailand January 7, 2011 in Q & A
Seven is the founder of Gods of Thailand and Gods of Asia which are websites dedicated to teaching men how to have the best time in Thailand without the bullshit. He created the most extensive Thailand VIP Membership Program to do just this. In addition, Seven has written numerous Thai Guide Books to help travelers just like you.