Billy Kee scored a double and Seamus Conneely grabbed his first of the season to end Stanley’s season on a high as Stevenage missed out on a play-off spot.
It was Stevenage who denied the Reds an automatic promotion spot on the final day of last season with a goalless draw and this time Stanley spoiled the home side’s party.
Kee fired home from the penalty spot and then scored a second off the post to take his tally to 15 goals for the season with Conneely adding a 90th minute spot kick.
It means Stanley finish the season in 13th spot with just two defeats in their final 18 games.
Stanley created the better chances throughout the game and almost opening the scoring on 13 minutes. A Sean McConville corner found the head of Matty Pearson and his effort was cleared off the line while the follow up from Seamus Conneely was blocked.
Stanley were on the march and, on 21 minutes, Kee played in Janoi Donacien who was clean through in the area but his strike was saved by keeper Jamie Jones.
The Reds kept pressing with only a superb block from captain Ronnie Henry denying McConville a certain goal on 25 minutes.
With other results going against them, Darren Sarll’s men needed a win for a play-off place.
Connor Ogilvie’s long range effort was grabbed by Marek Rodak at the second attempt and the Fulham loan keeper caught a Steven Schumacher strike to keep it goalless at half-time.
Stanley started the second half well and Jones had to turn McConville’s 20-yard curling effort around the post.
At the other end Tom Pett tricked his way into the area but his final shot was blocked while, with the ball bobbling loosely in the Stevenage area, Jordan Clark fired narrowly over the bar on 65 minutes.
Stanley were awarded a penalty after a trip by Charlie Lee on McCartan and striker Kee fired home his 14th goal of the season from the spot on 72 minutes.
It then took a superb point blank save from Rodak five minutes later to keep out a Matt Godden bullet header before Stanley made it two.
McCartan raced forward, surrounded by defenders, and pulled the ball back from Kee to fire home, with Jones only able to help it in off the inside off the post on 79 minutes.
Stanley were awarded another penalty in injury time for a trip on Conneely who took it himself and finished Accrington’s season in style.