The bill would allow theme parks in reopen in the "Moderate" tier of the state's COVID-19 reopening plan, rather than the "Minimal" tier.
The list includes California's Great America, even with the state's stringent reopening guidelines.
The theme park industry still wants the state to lower its reopening standards, but even then, no county comes close to meeting those metrics.
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.