In March 2018, Hartman & Tyner sold the property to Delaware North, the owner of West Virginia's only other greyhound racing track, Wheeling Island Hotel-Casino-Racetrack.

It adopted is current name in 2010, a change made to reflect its Mardi Gras theme. It currently has a large poker room, and offers the table games of blackjack, roulette, craps, three card poker, Mississippi stud, and Crisscross Poker. After casino gambling was legalized in 2007, the track expanded its casino offerings in 2008, and the facility was renamed Tri-State Casino and Resort. The facility was opened in 1985, as Tri-State Racetrack and Gaming Center, focusing specifically on greyhound racing. It also features several restaurants, food operations and a 150-room luxury hotel. It features table games, slot machines, live greyhound racing, and off-track betting for both greyhound and horse racing. Although it is located within the city of Nitro, it is served by the neighboring Cross Lanes post office. It is located just off the Cross Lanes exit of I-64, 14 miles west of Charleston, West Virginia and 36 miles east of Huntington, West Virginia. Mardi Gras Casino and Resort is a casino and greyhound racing venue located in the city of Nitro, West Virginia. Greyhounds racing at Mardi Gras Casino in Nitro, West Virginia in December 2023

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