The theme park officially welcomed back visitors on Wednesday, with face masks and social distancing strictly adhered to.
A steady stream of people visited in the morning, with one group wearing Mickey Mouse ears and dancing with excitement as they entered Europe’s most visited theme park.
Masks were mandatory and an advance booking was also required.
On Monday, the park was open to a limited amount of people who had an annual pass.
Visitors to the park, which has imposed a limited capacity, were told to keep at least a metre away from each other, and hundreds of sanitising-gel and hand-washing stations were scattered around.
No tickets were sold at the entrance, while playgrounds and make-up workshops remained closed.
Walt Disney World also reopened its two most popular parks in Orlando, Florida, on Saturday, despite a surge of new infections in the state.
But in Hong Kong the company has decided to temporarily close its Disneyland park amid rising numbers of coronavirus cases in the Chinese-ruled region.
The resort hotels will remain open with adjusted services.
They have put in place enhanced health and safety measures, the company said.
Hong Kong recorded 52 new cases of coronavirus on Monday, including 41 that were locally transmitted, according to health authorities.
Since late January the region has reported 1,522 cases, and local media reported an eighth death on Monday.
Florida has emerged as an epicentre of US COVID-19 infections.
In Orange County, where Disney World is located, cases rose by 623 to a total of 18,624, the fifth-highest outbreak in the state.
Disney’s reopening of its parks in Asia helped provide assurance about moving ahead in Florida, Josh D’Amaro, chairman of Disney’s parks, experiences and products division, said in an interview on Saturday.