While Monday's 34,257 cases was the lowest number since July 6, the positivity rate remained high at 26.9% and infections have been repeatedly around 50,000 in the past week.
Muslims traditionally mark Eid al-Adha by slaughtering animals with the meat shared among family and given to the poor.
Some mosques displayed banners notifying visitors that mass prayers were not being held due to COVID-10 curbs, while in many areas including Bogor, south of Jakarta, people prayed in the open air on the street.
Read Also: EU evaluates arthritis drug to treat COVID-19 patients with pneumonia
In Parung, West Java, a non-profit group was distributing meat door-to-door to those infected by the coronavirus.
"We are prioritising our brothers and sisters who have been tested with COVID-19 disease and who are self-isolating," said Jaballudin, an official at Dompet Dhuafa.
Despite restrictions, some mosque were reported to have flouted COVID-19 restrictions by holding mass prayers.
In the ultra-conservative province of Aceh - which is not under Indonesia's tightest coronavirus restrictions - photographs showed a crowded mosque with many people unmasked.