Goals by Ross Mitchell and Josh Christie meant that they finished the campaign five points clear at the top.
Stonehaven – led by manager Martyn Rollo and coaches Kris Petty and Paul Mitchell (pictured below) – still have the chance of winning a league and cup double this season.
On Tuesday night they won 3-0 at Cruden Bay in a Morrison Cup group game, with their final sectional match at home to Glentanar next Tuesday night. Victory will give Stonehaven a home semi-final tie.