The straight answer: Yes. The detailed answer: There are more than 250 coffee shop in Amsterdam, with different atmosphere – from psychedelic ones to touristic places. The first one, that now is a big chain, is the Bulldog. Once the Dutch law is tolerant regarding the Cannabis consumption, you’re allowed to buy 5 grams for personal use in any coffee shop Amsterdam, if you’re older than 18, or 21 years old, in some coffee shops.