Primary features of Bally's Dover include a 500-room hotel, dining options, over 2,700 slot machines, 40 table games, and the Rollins Center, an 18,000-square-foot (1,700 m2) multipurpose ballroom which features entertainment as well as hosting business conferences, conventions and banquets.

[8] A $56-million casino expansion was completed in 2008, adding 500 slot machines, a porte-cochere and atrium lobby, and an upscale shopping area called the Colonnade.

[11] In 2019, Dover Downs Gaming & Entertainment completed a reverse merger with Twin River Worldwide Holdings (later Bally's Corporation), a Rhode Island–based company with several casino and racetrack properties.

[17] Dover Downs offers space for meetings, banquets, conferences, and conventions, including over 40,000 sq ft (3,700 m2) of function space, the 18,000 sq ft (1,700 m2) Rollins Center ballroom, several meeting rooms, and three hospitality suites offering views of the racetrack.

Entertainers and musicians that have performed at the venue include Tracy Lawrence, Boyz II Men, Howie Mandel, Creedence Clearwater Revisited, and the Glenn Miller Orchestra.

[24] Dining options at Bally's include upscale restaurants, casual establishments, a coffee shop, and a buffet.