The 53-year-old was killed when a vintage Hawker Hunter jet crashed on to traffic on the A27 on 22 August.
Mr Reeve's family and friends gathered at St Andrew's Church in Alfriston, East Sussex, earlier.
The computer-aided design technician from Seaford was was killed after riding his "cherished Honda motorbike" to the perimeter of Shoreham Airport.
He had been taking photographs of the planes.
Following the crash, his family described him as a "motorbiker, golfer, photographer, fundraiser - but above all else, son, brother, husband, father and grandfather".
The funeral of 23-year-old Daniele Polito, who was also killed in the air crash, was held in Worthing on Monday.
The funeral of Mark Reeves - one of 11 people who died in the Shoreham air disaster - has taken place.