Casino del Sol is in Carolina, Puerto Rico and is open daily 24 hours. The casino's gaming space features gaming machines and thirteen table and poker. Home / Puerto Rico / Casino Del Sol at Courtyard by Marriott The Casino Del Sol also features a variety of gaming tables where travelers may play Blackjack. Casino del Sol - Courtyard by Marriott Isla Verde, San Juan, Puerto Rico - Rated based on Reviews "I love this place! Very nice rooms and.