The Mark G. Etess Arena (also known as The Arena at Trump Taj Mahal) is a multi-purpose arena in Atlantic City, New Jersey. Opening in April 1990, as a part of the Trump Taj Mahal, the arena seats nearly 6,000 for music and sporting events. The arena was named after Mark Grossinger Etess, a former president and COO of Trump Plaza. Etess died in a helicopter crash in October 1989. The venue reopened in June 2018 as part of Hard Rock Hotel & Casino Atlantic City.