Coney is a Puerto Rican American actress, art director, casting assistant, model, production designer assistant and makeup and hair stylist. Her first role was playing Alice in her elementary school's production of Alice in Wonderland, which is also one of her favorite Disney movies.

Originally from the Bay Area, Coney moved to Los Angeles in order to study acting and film at the University of Southern California. Her career seems to have taken off in 2011 when she appeared as Madeline in the short film, Prosthetic Memories. Coney has appeared in 13 other short films. Coney has had roles in the television series: Class and Horoscope and Fortune Cookies.

Coney has worked with James Franco in the films Kill the Czar and L.A. Series. In 2016, she appeared as Angie in the film Actors Anonymous, an adaptation of Franco's novel of the same name. Coney also worked on Franco's remake of the 1996 Tori Spelling telepic: Mother, May I Sleep With Danger? on Lifetime.

Coney loves to read books, watch movies, write screenplays, poems and her inner thoughts in her journal on her free time. For exercise, Coney likes to run, do yoga, hike, or hit the dance floor on a fun night out. She loves to eat fruits and vegetables. Coney considers herself the "beneficiary of many fashionable hand-me-downs". A lot of her clothes have formerly been in her friends' wardrobes. She also prefers to take photos old-school with a disposable or Polaroid camera. Coney is also a fan of the television series American Horror Story.

In February 2016, Coney joined the main cast of Freeform's Dead of Summer as Carolina "Cricket" Diaz.