Who is Mia Calabrese, Ciara Miller's Best Friend on 'Summer House'?

The real estate agent is ready to bring the heat, fun, and a little mess to the Hamptons share house.

Published on Feb. 10, 2026

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Mia Calabrese, a Chicago native and successful real estate agent at Nest Seekers International in New York City, has joined the cast of Bravo's Summer House as the best friend of returning housemate Ciara Miller. Calabrese, who has over 39,000 Instagram followers, is described as a world traveler, wine connoisseur, and avid cyclist. Prior to her real estate career, she worked at the popular Manhattan nightclub The Box.

Why it matters

Calabrese's addition to the Summer House cast brings a new dynamic to the share house, as she is Ciara Miller's close friend and is ready to stir up some drama and fun this season. Her background in real estate and her previous job at a notorious Manhattan nightclub also provide intriguing backstories that may play out on the show.

The details

Mia Calabrese graduated from St. John's University with a Bachelor of Arts in Government and Political Science. She is currently one of the top-performing real estate agents at Nest Seekers International in New York City. Before her real estate career, Calabrese worked at The Box, a popular Manhattan nightclub that was frequented by the cast of Next Gen NYC in their debut season. Calabrese has described The Box as a 'sex club' but credits her time there for helping her break out of her shell.

  • Calabrese missed the group's first weekend back in the Hamptons, but arrived just in time to watch the drama unfold between Amanda Batula and Kyle Cooke's marriage.

The players

Mia Calabrese

A Chicago native and successful real estate agent at Nest Seekers International in New York City, who has joined the cast of Bravo's Summer House as the best friend of returning housemate Ciara Miller.

Ciara Miller

A returning housemate on Summer House, who has been best friends with Mia Calabrese since Miller moved to New York City.

Amanda Batula

A cast member on Summer House, whose marriage to Kyle Cooke is a central storyline this season.

Kyle Cooke

A cast member on Summer House, whose marriage to Amanda Batula is a central storyline this season.

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What they’re saying

“Calabrese was brought into the fold by her best friend, Ciara Miller, whom she has known since Miller moved to New York City all those years ago. Miller described Calabrese as her 'dear bubbly friend,' noting that the real estate agent helped her nab an apartment in her building.”

— Ciara Miller, Calabrese's best friend (decider.com)

The takeaway

Mia Calabrese's addition to the Summer House cast brings a new level of drama and intrigue, as she is Ciara Miller's close friend and is ready to stir things up in the Hamptons share house. Her background in real estate and her previous experience working at a notorious Manhattan nightclub provide intriguing backstories that are sure to be explored further on the show.