Is there a cover charge?

Yes

Is there a cover charge in Monday? Do I need to buy ticket or register in advance?

Typically $10 if there is a live performance

I've only been to the one in Santa Monica beach on a Tuesday & it had a $ 10.00 cover charge so I don't know if the Long Beach club is the same we had all you can eat tacos for $ 7.00 at Cabo cantina a few blocks away from the club the only requirement for the all you can eat taco special is a minimum of one drink purchase and it doesn't have to be an alcoholic drink but I do recommend the Jameson margarita it was great

Wednesday Night its $10 to get in. Its worth it cheap drinks live band and live DJ

can we bring a 14 YEAR OLD who is studying jazz in high school? Is there food?

Not normally

Wasn't when we went on Sunday night