Gianmarco Onestini Biography: Net Worth, Height, Age, Parents, Siblings, Partner, TV Shows, Instagram

Gianmarco Onestini is a dynamic Italian reality TV star, model, and social media influencer, best known for captivating audiences on shows like Grande Fratello and Supervivientes.

With a blend of athletic flair and charismatic appeal, he has carved a solid niche in entertainment, leveraging his online presence to showcase travel, fitness, and lifestyle vibes across Italy and Spain.

Profile

• Full Name: Gianmarco Onestini
• Stage Name: Gianmarco Onestini
• Born: October 24, 1996
• Age: 29 years old
• Birthplace: Bologna, Italy
• Nationality: Italian
• Occupation: Reality TV Star, Model, and Influencer
• Height: 6 feet 2 inches
• Parents: Mr. Onestini and Mrs. Onestini
• Siblings: Luca Onestini
• Spouse: None
• Children: None
• Relationship: Single
• Net Worth: €1.5 million

Early Life and Education

Gianmarco Onestini is a dynamic Italian reality TV star, model, and social media influencer. He was born on October 24, 1996, in Bologna, Italy, into a tight-knit family where his father worked as a lawyer and his mother as a doctor.

Growing up with elder brother Luca, an actor, he placed huge value on family bonds and sports from early days.

He attended linguistic high school before pursuing law studies at the University of Bologna, following his father’s path. His ethnicity is Italian, and he holds Christian beliefs.

Career

Gianmarco Onestini kicked off as a sailing instructor after earning his ADI patent in 2011, then picked up a lifeguard license in 2014. He stepped into influencing in 2016, building a following with travel snaps from spots like Ibiza and Morocco.

Reality TV fame hit with Temptation Island Italy in 2018, followed by a runner-up spot on Grande Fratello 16 in 2019, Gran Hermano VIP 7 in Spain that year, and strong runs on Supervivientes in 2021 and El Tiempo del Descuento in 2025, where he clinched the win.

As a model, he collaborates on fashion and promo gigs, amassing over a million Instagram followers.

Social Media

• Instagram Handle: @gianmarco.onestini
• Facebook Handle: Gianmarco Onestini
• YouTube Handle: Gianmarco Onestini
• TikTok Handle: @gianmarcoonestini

Personal Life

Gianmarco Onestini, 29, is a dynamic Italian reality TV star, model, and social media influencer. At 6 feet 2 inches, he stays fit through sports and dance, often sharing glimpses of his active routine.

He keeps family close, crediting his parents and brother Luca for grounding him amid TV spotlights.

Previously linked to Spanish star Adara Molinero after sparks on Gran Hermano, he now flies solo, focusing on career growth and solo travels between Italy and Spain, with no kids in the picture.

Net Worth

Gianmarco Onestini, is a dynamic Italian reality TV star, model, and social media influencer. His net worth clocks in at about €1.5 million, mainly from TV stints, modeling deals, and brand tie-ups.