He was 85.
Antulay, who was former Maharashtra Chief Minister and a minister in UPA-I government, was suffering from kidney ailment. He breathed his last at the Breach Candy hospital where he was admitted last month.
The veteran Congressman, who hailed from coastal Konkan region of Maharashtra, passed away at around 10 AM today, his son-in-law Mushtaq Antulay told PTI.
The funeral will take place at his native Ambet village in the state's Raigad district tomorrow.