Flash casinos are in, this is a fact. But what are flash boutique casinos? These are casinos that may or may not be available to US players, or if they are, may be outside the norm. They may be online casinos that, in addition to flash games, offer separate gaming such as sports betting, poker, and other genres. Also, the flash games may also be fewer in number as well. Most of the traditional flash casinos for US players may offer 60+ flash slots, while boutique flash casinos may offer only a few. The point is that there is a flash casino out there for everyone, regardless whether they live in the US or not. Therefore, we are listing below the best flash boutique casinos wherein you can test the casino games provided, as well as the best boutique flash casinos where you can play and/or join.