Sierra Casino is an online casino that launched in 2026 and is operated by Mirella Ltd, under a licence from Anjouan Gaming Board. Accounts can be held in Euros, Hungarian forints and Polish zlotys, among other currencies. Payment methods include Visa, MasterCard and Skrill, among others. The site is offered in English, Polish and Romanian, among other languages. 6 responsible-gambling tools are listed, such as deposit limits and self-exclusion. Formats listed include Instant Play, Live Casino, Mobile and Sports.
