There are some states in the US that require the minimum betting age to be 21. The minimum age to create an account with Bovada is 18 years old. Legal Age to Place Bets On Bovada Accounts? Bovada can run into some troubles with accepting players from certain states because of banking issues, but these issues have nothing to do with legalities. When someone places a bet in the United States it is technically made in Costa Rica not the United States of America. This means that United States residents can bet on spots. Offshore sport betting sites do not have to follow any laws in the United States. The reason why Bovada is legal to use as a gambling outlet in the United States is that Bovada is located offshore. Many people wonder Is Bovada legal in the US? Bovada is legal for all USA players, and it always has been since its creation.