5 Surprising Facts About Kate Chastain's Relationship Status & Her Life As A Single Mom

The question of whether former Below Deck Chief Stew Kate Chastain is married has followed her since she first stepped off the superyacht. For years, the witty and often snarky star captivated audiences with her demanding professionalism and complicated personal life, but her relationship status has always been a closely guarded secret.

As of December 2025, the definitive answer is that Kate Chastain is not married. The reality star has embraced a new, deeply private chapter of her life as a single mother, a journey that has completely redefined her public persona and priorities. This article dives into the latest updates on her relationship status, the story of her son, and the enduring mystery of her partner.

Kate Chastain: A Quick Biography and Profile

Kate Chastain rose to prominence as the Chief Stewardess on the Bravo reality television series Below Deck, quickly becoming one of the show's most iconic and memorable cast members. Her sharp wit, high standards for service, and dramatic interactions with both guests and crew—especially Chef Ben Robinson—defined her six seasons on the show.

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• Full Name: Kate Chastain
• Date of Birth: July 2, 1983
• Age: 42 (as of December 2025)
• Hometown: Melbourne, Florida, U.S.
• Primary Career: Former Chief Stewardess, Television Personality, Author, Podcast Host
• Notable TV Appearances: Below Deck (Seasons 2–7), Below Deck Galley Talk, Bravo's Chat Room, The Traitors (Season 1)
• Book: Lucky Charming (2016)
• Marital Status (Current): Single
• Children: One son, Sullivan Cay
• Sexuality: Identifies as bisexual

The Definitive Answer: Is Kate Chastain Married Now?

The short and most current answer is no, Kate Chastain is not married. Since stepping away from her full-time role on Below Deck after Season 7, Kate has maintained a very private stance on her romantic life, especially since her most recent major life change.

At BravoCon 2022, the former chief stew publicly confirmed her single status, stating, "I'm single too, you guys," a status that has not publicly changed as she navigated her pregnancy and the first years of motherhood.

Her focus has shifted entirely to her son, Sullivan Cay, who was born in May 2023. This new role as a single mother is the central theme of her personal life today. She has frequently discussed the challenges and joys of motherhood in recent interviews and on her social media, often joking about how her demanding role as a Chief Stew prepared her for the rigors of raising a child.

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While she may be single, the presence of a diamond halo-style ring on her ring finger in some past social media photos has occasionally sparked engagement rumors among fans. However, Kate has never confirmed an engagement or marriage, suggesting the ring may simply be a piece of jewelry or a red herring for curious followers.

The Enduring Mystery of Sullivan Cay's Father

One of the most persistent questions surrounding Kate's life—even more so than her marital status—is the identity of her son Sullivan Cay's father, often referred to by fans as the 'baby daddy.' Kate has been steadfast in her decision to keep this information completely private, a choice she has defended as being in the best interest of her family.

This decision has led to constant speculation, with one name dominating the fan theories: Chef Ben Robinson. Kate and Ben had a complicated, on-again, off-again romantic tension and friendship throughout their time on Below Deck, making him the prime suspect for many viewers.

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However, Kate has repeatedly and emphatically shut down these rumors. When Ben posed for a photo with her and her baby bump, fans went wild, but Kate clarified that the two are simply very good friends. Ben is now engaged to be married to his fiancée, Kiara Cabral, further putting those rumors to rest. Kate's commitment to privacy about Sullivan's father remains absolute, indicating that the father is not a public figure and that she intends to raise her son without the intense media scrutiny that comes with a reality TV partner.

A Look Back at Kate Chastain's Public Relationships and Dating Life

Before becoming a mother and embracing her single life, Kate Chastain's dating history was sometimes tumultuous and always public, providing plenty of drama for Below Deck viewers and gossip sites. Her past relationships shed light on why she may be choosing a more private path today.

1. The Tumultuous Relationship with Rocio "Ro" Hernandez

Kate’s most intense and public relationship was with her former girlfriend, Rocio "Ro" Hernandez. The relationship, which occurred off-camera between seasons of Below Deck, made headlines in June 2016 when Kate was arrested in Melbourne Beach, Florida, following an alleged domestic dispute with Hernandez.

The charges were later dropped, and Kate has since kept the details of this period private. This experience with a high-profile, dramatic relationship likely contributed to her current desire for extreme privacy regarding her romantic partners.

2. The Spark with Chef Ben Robinson

As mentioned, the dynamic between Kate and Chef Ben Robinson was a cornerstone of the early seasons of Below Deck. They shared a deep friendship, mutual respect, and an undeniable chemistry that occasionally crossed the line into romance. While they had a brief spark and romance rumors between Seasons 2 and 3, their relationship ultimately settled into a close, platonic friendship that continues to this day, as evidenced by their joint appearances on Below Deck Galley Talk and their supportive social media posts.

3. Other Brief Flings and Her Bisexuality

Kate has openly shared that she identifies as bisexual, making her open to relationships with both men and women. While on the show, she was briefly linked to other crew members, including a close friendship with Josiah Carter, but her main focus was always her demanding job as Chief Stew. Her dating history is a testament to her independent spirit and her refusal to be defined by traditional relationship norms.

What is Kate Chastain Doing Now? Her Life Beyond the Yacht

Since her departure from Below Deck, Kate Chastain has successfully transitioned from a yachting professional to a full-time television personality and commentator. Her career has flourished, even as her personal life has become more grounded.

• Reality TV Commentary: She is a popular fixture on Bravo, co-hosting Below Deck Galley Talk where she provides witty commentary on new episodes of the franchise alongside other former cast members. She also had a stint as a host on Bravo's Chat Room.
• Competitive Reality: In 2023, she appeared on the first season of Peacock’s hit reality competition show, The Traitors, where her strategic gameplay and memorable confessionals made her a fan favorite.
• Motherhood: Her primary focus is raising her son, Sullivan Cay. She has been open about the challenges of balancing her career with the demands of being a new mom, often sharing humorous and relatable anecdotes about life with her "little Chief Stew."
• Future Plans: Kate has stated that she is not planning on having any more children, fully committing her energy to Sullivan. She continues to enjoy her life in Florida, far from the demanding schedule of the yachting world.

In conclusion, Kate Chastain is not married, but she is far from alone. Her current life is centered on her son, her thriving career as a Bravo personality, and her commitment to maintaining a private, drama-free personal life. For the former Chief Stew, being single is not a status to be mourned, but a choice that allows her to fully embrace her most important role yet: being a mother.