Universal Hollywood will no longer require face masks or proof of COVID-19 vaccination.
The long-delayed RMC coaster opens to the general public on March 11.
Iron Gwazi will open on Feb. 13 for passholders and March 11 for the general public.
Gaining access to these VIP previews will require passholders to visit SeaWorld parks at least three times before the end of 2021.
Both coasters were originally scheduled to open in 2020.
2021's new attraction lineup ranges from record-setting roller coasters to an immersive hotel experience.
Iron Gwazi will be the world's fastest and steepest hybrid coaster when it opens in 2021.
21-year-old Jacob Kaminsky, who died in an accident at the Orlando StarFlyer Monday, had worked on Busch Gardens' Iron Gwazi coaster.
Also delayed will be Emperor, Pantheon and Ice Breaker.