This down-to-earth lounge, a.k.a. “Three of Clubs,” is Hollywood’s original martini lounge, evolved into a multitasking entertainment venue and dance club. Eschewing a flashy sign, it keeps a low profile. The dark, expansive interior consists of two rooms, plenty of cushy seating and two long bars. Even so, it’s usually packed with young characters of all kinds, dancing, mingling and taking in live music, burlesque, karaoke or comedy in the back room ($5 cover). A food truck can usually be found next door.