Waterfall Jam Session. Head over for the Sea Dog Cantina for live music by Andrew Carmouche while you sip on margaritas. Diners can also take advantage of the menu loaded with Mexican-inspired eats, and craft brews on draft. Every Sunday. 1-3 p.m. Sea Dog Cantina, 2832 Beach Blvd. S., Gulfport. cantina.seadogbrewing.com.