Bit o' Red supporters are eagerly anticipating their club's participation in Europe's premier club competition ahead of the draw which takes place in Nyon on Monday
Quinn revealed that over 2,000 tickets had been sold for the Bit o' Red's Champions League second qualifying round tie, the opposition for which has yet to be decided.
"We have had a very busy and exciting week with 2,000 tickets bought in the first three days of sales and several hundred in the latter part of the week," Quinn told the club's official website. "It is fantastic to know we will have such a huge level of support when the game comes around in July."
He added: "The tickets purchased online inform us that there will be supporters coming from four different countries and at least 10 different counties for the game so it shows the Bit o' Red appeal goes far and wide."
Sligo Rovers will be one of four Irish teams to learn their European fate on Monday, with Drogheda United, St Patrick's Athletic and 2012 FAI Cup winners Derry City entering into the draw for the Uefa Europa League.
St Patrick's Athletic and Drogheda will enter at the first qualifying round, while the Candystripes have been placed in the second qualifying round.
The draw for the Champions League will take place on Monday, June 24 in Nyon, Switzerland at 11:00 BST and the draw for the first qualifying round of the Europa League will then take place at 12:00 BST, with the second qualifying round draw occurring at 13:30 BST.