Connecticut Casinos Detailsīoth of the Indian casinos in Connecticut open 24 hours and both have a minimum gambling age of 21, but only 18 for bingo. Visit our Connecticut casinos map page to see a detailed map showing all casinos in that state. Want to See a Map of all Connecticut Casinos? Click on a name to see a page of detailed information about that particular casino. Shown below are the two Connecticut casinos. There are two casinos in Connecticut and both of the casinos are affiliated with Native American tribes.