It is one of the largest casino/resorts in the United States, with more than 5,400 slot machines and approximately 200,000 sq ft (19,000 m2) of gaming space.

In November 2004, a 100,000 sq ft (9,300 m2) expansion opened, adding additional gaming space, a high-limit gaming area, a food court area, a 54-table poker room and Kelsey's, a sports-themed restaurant.

In 2018, Pechanga completed a 27-month, $300 million expansion that doubled its hotel room capacity to 1,090, expanded its spa facility to 25,000 square feet, created a 40,000-square foot events center, and built a 4 ½-acre tropical pool complex that features a dedicated restaurant, swim-up bar, three pools, two waterslides, a fountain, and 27 cabanas.

The Pechanga Hotel includes 1,090 guest rooms and suites, as well as a 4.5-acre pool complex called The Cove (approximately the size of 5 football fields), a luxury spa, and 6 retail stores.

[8][9] The Pechanga Theater, a 1,200-seat venue, has hosted Broadway musicals and headline musical acts, including Journey, Lita Ford, Warrant, Dirty Heads, Live (band), Collective Soul, Blues Traveler, Skid Row, 311 (band), Backstreet Boys, Bob Dylan, Carrie Underwood, The Fab Four (tribute), magician David Copperfield, comedian Jerry Seinfeld, and many foreign artists such as Hong Jin-young.