Cabo Wabo is the name of a chain of nightclubs and restaurants located in Cabo San Lucas, BCS, Mexico, as well as Harvey's Lake Tahoe in Stateline, Nevada and a third location on the Las Vegas Strip in Nevada just outside the Miracle Mile Shops at Planet Hollywood, and on Hollywood Boulevard in Hollywood, California.
It is also a popular brand of tequila. All were founded by rock musician Sammy Hagar. The Cabo San Lucas location is generally considered to be one of the top three most popular nightclubs in town. But as opposed to competing nightclub/bar Squid Roe (which plays top-40 music and attracts a younger/spring-break clientele), Cabo Wabo typically attracts an older adult clientele with its mostly rock music selection.
(This is not to be confused with Southern California's Cabo Cantina chain, operated by Sunset Restaurant Management Group, which includes a location mere blocks away from Cabo Wabo Hollywood.)