In Loving Memory of Mariella Acosta
Yuma, Arizona
The Yuma community is mourning the heartbreaking loss of 21-year-old Mariella Acosta, whose life was tragically cut short in a hit-and-run collision early Saturday morning, December 6, 2025. What began as a quiet pre-dawn hour quickly turned into a devastating scene that has left family, friends, and the wider community grieving a young woman taken far too soon.
At approximately 4:45 AM, the Yuma County Sheriff’s Office responded to the area of S. Avenue B and W. County 14th Street, where Mariella had been walking along the roadside. According to authorities, a passing vehicle—described as a sedan or coupe—struck her and continued traveling, failing to stop or render aid. The vehicle is believed to have sustained front passenger-side damage near the headlamp, and investigators are urging anyone with even the smallest piece of information to come forward.
Mariella was pronounced deceased at the scene, leaving behind a family who is now trying to navigate unimaginable grief. At just 21 years old, she had her entire future ahead of her—dreams she hoped to achieve, people she hoped to help, and memories she was yet to create. She was a daughter, a friend, a loved one, and a light in the lives of those fortunate enough to know her.
Those close to Mariella describe her as kind-hearted, bright, and deeply loving. She carried herself with quiet strength and compassion, always willing to lend a hand or offer a smile. Her absence leaves a void that cannot be filled, and her memory will be treasured by all who loved her.
The circumstances surrounding her passing have stirred sorrow, frustration, and a call for justice throughout Yuma. The Yuma County Sheriff’s Office continues to investigate this tragic incident, urging the community to assist in identifying the vehicle and driver involved. Even the smallest detail—a vehicle seen near the area, someone noticing recent damage on a car, or unusual behavior—could be pivotal in bringing closure to this grieving family.
Anyone with information is encouraged to contact the Yuma County Sheriff’s Office at 928-783-4427, or 78-CRIME to remain anonymous. Tips can also be submitted anonymously through their website.
As loved ones begin the painful journey of mourning, the community of Yuma stands with them—honoring Mariella’s life, seeking justice on her behalf, and keeping her memory alive. Today, we remember Mariella not for the tragic way she was taken, but for the beauty, warmth, and love she brought into the world during her short but meaningful time here.
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