This after their rental car slid off the highway, rolled over a couple of times and ended up in a ditch.
State Police say the accident happened around 2:45 Monday afternoon along Interstate 95.
Police say the driver and two passengers were on their way to Freeport to continue their vacation.
Trooper Darrel Vidden says the driver and one passenger were able to walk away from the accident. A third passenger was trapped, she was taken to Eastern Maine Medical Center with non-life threatening injuries.
None of the people in the car was wearing a seat belt. The accident remains under investigation.