I attended Margaritaville Resort Biloxi with my children for the second time on Saturday night, June 30, 2018. We arrived at the kiosk in "Escape" around 8:25. After paying for 4 cards to enjoy ourselves for my daughter's birthday celebration, we walked in "Landshark Bar and Grill" so that I could purchase a beverage. My two youngest children went to a table and began playing. My older 9-yr old daughter sat in a stool to the right of me at the bar. I immediately told her she had to get down, until I looked to her right and saw a family sitting next to her, with a young boy around her age or a little younger, sharing a stool with his mom at the bar. (They were Caucasian...yes, race actually matters in this situation and I ABSOLUTELY HATE that it does because I don't teach my children to see color...keep reading.) The bartender, a stocky Caucasian male with short brown hair and glasses, walked over and asked if I needed to see a larger menu (I was looking at a placard with about 5 drinks on it). I told him yes and he returned with a full menu. He stood there in front of me waiting on me to decide which drink I'd like. I took a little while to look over the selections, then finally chose the "Pink Cadillac." He returned with my beverage. At this time, the family to our right was getting up to leave. Once they were gone, he tapped on the counter and told my daughter that she "...could not sit at the bar unless she was 21." She looked as though she thought she were in trouble and slowly got down. I told her to go over to the table with her sister and brother. I then pointed to my right and asked the bartender, "Did you happen to say the same to the little boy that was just sitting right there AT THE BAR with his mother?" He just stared at me with a blank look and refused to answer my question. I was already extremely offended that he'd addressed my CHILD vs me as the ADULT! I got my money out of my purse to pay for the drink and said, "I just need to know. Did you NOT just see that little boy sitting right next to us at the bar?" Again, he just stared at me and refused to answer. It was at this point that my blood began to boil and I wanted to just leave and never return! However, my daughter's father was just arriving to join us and was already downstairs parking. So I kept my composure as to not spoil her night by having to deal with management and this situation of OBVIOUS AND BLATANT race and sex discrimination by their employee. How could he not have seen the little boy sitting RIGHT NEXT TO MY DAUGHTER at the bar when he'd just walked over there more than once and even stood there while I looked over the menu? Why would he address my CHILD instead of ME? Why would he wait until that family left and then tell my child she could not sit there because she was too young, yet say NOTHING to the Caucasian family at ALL? There was a time span of about 3-5 minutes from the time I walked up to the bar and finally walked off. During that time, he could have made the same comment to the little boy or his mother; but he didn't. SO MANY questions went through my head and I kept coming to the same conclusion: He'd just discriminated against my CHILD both on the basis of race and gender! There was no other way for me to see it, especially given the fact that he had ample time and opportunity to tell the other child or his parent the same thing he told mine...but he kept his mouth closed. If a policy is in place, it is the same for ALL patrons, NOT just my child!