Thre are many casinos on Trinidad. Many are in houses and have a small sign beside the front door that says "Casino." They mostly open at 8:00PM at night. We once took a cab and visited about 12 of them, None open. I have been there several times and cruise ships sail around 6:00PM. Tough to get chips.

Some bigger clubs open during the day with slots only. We only found one The Island Club that had tables open during the day time hours.