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