Knott's will now extend passes into 2022 for each day the park remains closed.
While Central Florida COVID-19 hospitalizations have dropped since their mid-July peak, health experts are still encouraging physical distancing and the use of face masks.
Counties with major parks have seen dramatic increases in COVID-19 hospitalizations since early November.
The $27 million resort will be called Kings Island Camp Cedar, located less than a mile from the park gates.
A surge of COVID-19 hospitalizations in Southern California has led to a new stay-at-home order.
The park chain has lost $484 million in 2020.
Mayors of Los Angeles and San Diego were among those supporting a Tier 3 reopening for California's theme parks.