Don’t call it a comeback—Bally’s has been here for years. But between the changes under way at the long-running Jubilee! spectacular, newly renovated hotel rooms and a sprawling retail plaza set to open this fall, the resort is giving guests more of a reason than ever to return.

Some of the biggest changes have taken place in nightlife, where the temporary arrival of Drai’s After Hours (until it heads to The Cromwell later this year) and a refreshed Indigo Lounge have made Bally’s a surprise late-night hot spot.

Under the direction of Victor Drai, whose credits need no introduction among the L.A. and Las Vegas nightlife cognoscenti, Indigo has transformed from an everyday casino bar to a swank cocktail lounge, where cover charges are absent and the party goes well into the night, every night.

While live music sets the tone nightly, guests can relax on couches and ottomans, hit the bar to get closer to the action or take a seat along the patio overlooking the casino floor for prime people-watching.

Indigo’s gotten in on the classic cocktail game as well—a move befitting the lounge’s new look. The Hemmingway (sic) and Mai Tai are summer in a glass all year round, while the Irish Sidecar swaps out cognac for Jameson Irish whiskey and the Indigo Margarita does right by its name by adding blue Curaçao to the traditional tequila-fueled mix.

There are some inventive signature cocktails to choose from, too. The Speakeasy brings together vodka, amaretto, Aperol, passion fruit purée and lemon juice, and the Mezcal Fashion sports the eponymous spirit alongside honey syrup, chocolate chili bitters and grapefruit peel.

Because it’s Vegas, reasonably priced champagnes are available in half or full bottles. It may be Indigo, but no one’s leaving here blue, that’s for sure.

Bally’s, opens at 5 p.m. Mon.-Fri., opens at noon Sat.-Sun. 702.967.4111