An increasing number of cases have been diagnosed among people aged 18 to 44, data show.
Triple digit case counts continue as the state plans to open its first mass vaccination center Monday.
Two of the deaths were on Oahu and the third was on Maui.
No fatalities were reported.
No new fatalities were reported.
One of the deaths was on Oahu, the other was a Hawaii resident who died outside of the state.
All four deaths were on Oahu.
Two cases were recorded on Molokai as surges on Maui and Oahu continue.
The last time Hawaii reported this many cases in one day was in September.