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 RIVERVIEW, Fla. (WFLA) - A Riverview family is desperate to find a loved one who vanished during a birthday trip to Costa Rica. Stefaniak and her sister-in-law April Antonieta, of Riverview, had flown to Costa Rica to celebrate Stefaniak’s birthday. Relatives have spoken to the owners of an Airbnb, an Uber driver, and security guards. That was the last time Antonieta heard from her sister-in-law. Relatives have started a GoFundMe account to support relatives who are in Costa Rica searching for Stefaniak. “Hopefully, we will get a tip that someone saw something; anything,” Burton said. Antonieta and her husband live with Stefaniak’s father in Riverview.
– A Florida woman has gone missing in Costa Rica after visiting for her birthday and getting into an unknown car, WFLA reports. Carla Stefaniak, 36, was scheduled to return Wednesday, the day after her fellow traveler/sister-in-law flew back—but Stefaniak never made the plane. "She totally went missing, ghosted on her birthday, which is totally unlike her," says sister-in-law Antonieta, whose last name is reported variously in the media. "I'm scared of what I'm going to find." Now Antonieta's husband, who is Stefaniak's brother, has flown down with a friend to find her. They've talked to security guards, an Uber driver, and Airbnb owners, who say Stefaniak got into an unknown car Wednesday morning, per CBS Miami. According to relatives, Stefaniak dropped off her sister-in-law at the airport Tuesday, returned their rental car, and took an hourlong tour on San Jose in an Uber. That night she texted that rain was pouring and power was intermittent. Her last text: "It's pretty sketchy here," per QCostaRica. Police investigators confirm she left her room with her luggage at about 5am Wednesday morning. Her social media accounts have gone quiet, with her last Instagram post showing her on vacation Monday. Antonieta says she's told the Miami FBI, the US embassy, and Sen. Marco Rubio's office, and set up a GoFundMe page to pay for the search. "She was just such a happy go lucky person," says Antonieta. "I'm just afraid she was just too trusting with someone there."