The 51-year-old actress' boyfriend Bryan Randall also joined in on the fun as they visited Adventureland, Cars Land and other parts of the crowded resort, reported E!Online.
"Sandra was definitely in a friendly mood, smiling and all. She blended in well with the crowds. She's a trooper," an eyewitness said.
Bullock and her daughter Laila were spotted wearing matching Mickey ears before the actress was able to enjoy the Indiana Jones ride with her boyfriend.
"The pair was also spotted holding hands throughout the day" an eyewitnesses said.