Fun Spot America owner John Arie shared posts on Facebook that falsely claimed face masks could cause a harmful buildup of carbon dioxide and oxygen deprivation.
With COVID-19 cases and test positivity rates rising in Central Florida, Disney World will reopen its theme parks on July 11.
The program is suspended indefinitely due to the COVID-19 pandemic, Disney announced Thursday.
The Winter Haven resort declined to specify the number of layoffs or which departments were affected.
143 workers at the Paddlefish and Terralina Crafted Italian restaurants at Disney Springs will be laid off.
Legoland indicated it will continue to provide free face masks to guests, but will not require them to be worn like other Florida theme parks.
Indiana Beach was saved from closure by Gene Staples, a Chicago businessman who bought the 94-year-old amusement park.
Disneyland unions want a plan for regularly testing employees for COVID-19 before reopening the resort's two theme parks.