Plot Synopsis

From the producers of LAGUNA BEACH, this one-hour reality series follows a group of young adults confronting issues of love, heartbreak and looming adulthood. As these friends spend the summer together in their beautiful hometown of Siesta Key, FL, they come of age while trying to figure out who they are and want they want to be. The series opens with Alex, the leader of the pack, finding himself stuck in the middle of a love triangle between Madisson, his high school sweetheart, and Juliette, his old flame from last summer. Alex, the King of Siesta Key, who's known for his over the top parties and playboy lifestyle. But now that Alex has graduated college, he has to focus less on the pleasures of careless youth and more on his uncertain future. Brandon, one of Alex's tightest boys, and most laid back of the bunch. Like Alex, he's a total heartthrob, and together they will drive the girls on Siesta crazy. Chloe knows everything about everyone, especially when it comes to Alex. She's most likely to be your best friend, and your worst enemy. One thing is for sure, you don't want to get on her bad side. Garrett is Kelsey's boyfriend, a muscular personal trainer with a modest upbringing. When Kelsey starts to hang with Alex and his crew, their solid relationship starts to show its cracks. While Kelsey and Garrett look like the picture-perfect couple, people and hearts can change after a summer together. Juliette is back home from college and is wasting no time heating things up. Last summer she had a fling with Alex that didn't end so well. Will they reignite their flame? Or will the summer breeze blow it out for good? Kelsey is the new girl in Siesta Key. After her mom's heath took a turn, this former international model has given up the catwalk to move home to care for her mother. Because of her former globe-trotting career, she missed all of the fun of high school, and this summer she plans to make up for lost time. Madisson and Alex are high school sweethearts who haven't totally moved on from each other. Having just graduated with an engineering degree, Madisson is looking to move on and start fresh. Will she let Alex go, or will she succumb to old habits?

The sophomore season of SIESTA KEY premiered on Tuesday, January 22, 2019 from 9-11pm ET/PT, as MTV debuted back-to-back new episodes. The new season picks up where they left off, confronting issues of love, heartbreak and volatile friendships. Also on the scene are new arrivals who quickly add fuel to the fire. In the season opener, Alex's birthday rager goes off the rails when his worst enemy and old flame crash the party. After Juliette insults Chloe, Chloe amps up her attempts to ruin Juliette & Alex's relationship. Backed into a corner, Alex reveals Chloe's darkest secret. Alex and Juliette's perfect relationship turns rocky when Alex's ex-girlfriend, Cara, returns to the scene. Brandon is collaborating with a new artist, putting his own relationship with his new girlfriend on the line. Madisson is struggling with her on and off relationship with Ben, and has an old ex, Jared, come back to town. Garrett is still getting over Kelsey, but may catch feelings for a new beauty in Siesta Key. Kelsey is in a committed long-distance relationship, but with a wandering eye, she may be single again very soon. Chloe pairs up with long-time friend Cara to stir up drama, and has a dark secret revealed. Canvas is working on reconnecting with her estranged mother, and unexpectedly catches feelings for a friend.

SIESTA KEY's third season premiered on Tuesday, January 7, 2020 at 8pm ET/PT on MTV, as the crew welcomes THE BACHELORETTE'S Robby Hayes. The original gang is back, but the dissolution of Siesta Key's "It couple," Alex and Juliette, has left the friend circle divided. New cast members invade the scene bringing conflict, heartbreak and deception to the mix. Now, the newly-minted crew must learn that taking risks with love and friendship comes with a cost, leaving lovers burned and friendships irreversibly damaged. Juliette graduates college and starts a fresh chapter with a new love, Robby, who happens to be a frenemy to her ex, Alex. Alex emerges back on the scene to finish his last year of law school with a new girlfriend, Alyssa, but will he be able to stay faithful? Madisson is pursuing acting in Los Angeles and dating a much older man who has to fight for her family and friend's approval. Chloe disapproves of Juliette's relationship with Robby, and isn't shy about voicing her concerns, furthering their divide as friends. Brandon, still heartbroken after Madisson, pursues bad girl Amanda, whose ex, JJ makes things complicated. Kelsey is single for the first time and heads into the summer with no baggage and an open heart, until newcomer, Jake, catches her eye. Garrett and Cara are still on shaky ground after a rough patch last summer, leaving them both unsure of what the future holds. Jared has eyes for Kelsey, but a surprise visit from his ex-wife, Jessica, throws a wrench in his summer.

SIESTA KEY returned for its fourth season on Wednesday, May 12, 2021 at 8pm ET/PT on MTV. Season 4 focuses on Juliette and Kelsey hustling to launch their businesses, Brandon embarking on his unexpected journey into fatherhood, Chloe refocusing her energy, and Madisson's nuptials right on the horizon. But life takes an unexpected twist when the crew steps off the Key and into uncharted territory. Juliette is launching her new luxury business and has found her billionaire prince charming Sam. But before she can live happily ever after, she'll have to stand on her own two feet and not let her ex-bestie Kelsey get the better of her. Kelsey is working overtime to have it all. With a new condo, a new business venture, and a new love interest, there's nothing she wants...except Juliette's respect. Brandon is focused on being a father to his new baby boy, while continuing to work on his music career. But he can't seem to let go of his past, as he struggles to win back his old flame Camilla. Chloe has left her gossiping and meddling ways behind and embarked on a spiritual journey to better herself and others. But when her friends are more than skeptical, she has to decide if it's time to ditch them for good. Madisson is engaged and deals with the reality of raising a family with someone almost twice her age. After a trip of self-discovery, she'll have to face up to what she really wants. Amanda is coming into her own with a new career in filmmaking and has a new man on her arm. But after a scandalous video surfaces, she is left with a tough decision. Garrett has found true love with his new girlfriend Kenna. But before they can get too cozy, they must face Garrett's biggest critic...his ex Cara.
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Season 5 of SIESTA KEY premiered on Thursday, October 27, 2022 at 8pm ET/PT on MTV with a new name, SIESTA KEY: MIAMI MOVES. As life in Siesta Key gives way to high energy in multicultural Miami, the cast grow up and greet their adult lives -- and the pressures that come with it. Once big fish in a small pond, these young adults become much smaller fish in a far larger pond. New career pressures and aggressive competition test the cast - and their friendships - in ways they can't imagine. The new season spotlights Juliette, Chloe, Madisson, Amanda, Cara, Jordana, Sam, and Brandon along with a few fresh faces, as they start their lives in a new destination. In the new season:

- Realizing she outgrew Siesta Key, Juliette is ready to relish in her newfound independence and heads down to the swim capital of the world, Miami, to expand her line: JMP the Label. Her new location and continued focus on her career begins to strain her relationship with Clark.

- Chloe is focusing on her new marriage to Chris and her business, Emerald Ray Botanicals. Ready to begin a new life, Chloe and Chris begin thinking about children and buying their future home.

- After graduating college, Amanda is celebrating her last summer before real adulthood in Miami and is navigating her relationships with her best friends.

- Brandon is continuing to focus on Quincy and is down in Miami to take his music to the next level.

- Sam moves into a new luxury mansion in Miami and welcomes his best friend, Jordana as his roommate, but the group questions how platonic their relationship really is. When Cara comes to Miami to spend the summer with Jordana, she quickly becomes concerned by Jordana's new lifestyle.

- Madisson is developing a children's book in honor of Elliot and enlists the help of Jordana to illustrate the book.