The atmosphere is pretty quiet so people can focus on their games throughout the night. Escape to Croc's Resort & Casino for the perfect tropical vacation, with luxurious amenities and stunning views of Jaco Beach. . Jaco Poker · 4. biggest casino in costa rica. Open from 2pm – 2am. Map showing all the casinos in Costa Rica with links to pictures and description of casino games, hotels, golf, spas and casino promotions. Website. Casino Diria · 3. 5 Star Resort. Considered to be the most famous casino in the country and largest in Alajuela, Fiesta Casino is a Las Vegas-style attraction with live music, thrilling games. Casinos & Gambling in Costa Rica · 1. Flamingo Casino Costa Rica · 2. Costa Rica Dog Rescue & Adoption · 2. Fiesta Casino · 5. Hotel Cocal Casino · 3. The casino sits in a large hotel. Casinos & Gambling in Province of Guanacaste · 1. Phone: + Generally, a casino will have about six table games and 50 slot machines. El Coco Casino · 4. The casino offers a couple of dozen card tables, craps, roulette and a couple of hundred slot machines all one large open room. Hotel La Flor de Itabo Resort & Casino. The Hotel Amapolo Casino is located in Jaco Costa Rica it has games like the slots, Texas Holdem, and others. Casino Diria · 6. Flamingo.