The former Taj Mahal casino will reopen this summer as the Hard Rock Hotel and Casino Atlantic City. Read more Hard Rock Hotel and Casino Atlantic City opens in Summer 2018 Ma. After a major renovation it will reopen this summer as the Hyatt Ocean Resort Casino. The former Revel Hotel and Casino was sold in January 2018. Read more Ocean Resort Casino is opening this summer as Hyatt brand The new Ocean Resort Casino and the Hard Rock have announced the same opening date. June 28th is the date for two casino grand openings in Atlantic City. News Headlines Ocean Resort Casino and Hard Rock will both open June 28. Minimum gambling ages are 21 years old for casinos, 18 for poker, 18 for bingo, 21 for sports betting, 18 for horse racing, 18 for the lottery. Resort Casino Hotel is operated by the Mohegan Indian Tribe of Connecticut. Hard Rock Hotel & Casino Atlantic City is operated by Hard Rock Internation, which is owned by the Seminole Tribe of Florida. There on no tribal-owned casinos in New Jersey, however, two Atlantic City casino are managed by gaming subsidiaries owned by Native American Tribes. New Jersey Casinos New Jersey Casinos Two Tribal-Operated Casinos