Alex, Kelsey, Chloe, Garrett, Juliette, Brandon and Madisson had a "summer like no other" in Siesta Key. But as Juliette states in the first look at the upcoming episodes, below, winter is "bringing outsiders trying to become insiders." Welcome to paradise, newcomers!

Before the sizzling docu-series returns on Monday, get to know the guys and gals who will make their MTV debut and join the drama-filled, tight-knit circle. Click to reveal their photos, get to know them a bit better with the brief bios below and don't miss them when Siesta Key premieres on Monday at 10/9c!