The Vikings and Wildcats each finished with 12-2 conference records. Oakridge finished one game behind.
Whitehall earned its share of the title the hard way on Tuesday, rallying for 6-5 and 14-4 victories over North Muskegon.
After falling behind 5-2 in the fourth inning of the opener, Whitehall scored four runs to steal the victory.
Daniel Dubois led Whitehall with a triple, single and three RBIs, Ian Zweigle had a double and a single and Franklin Uganski added a double.
North Muskegon’s Dalton Fuller and Ben Garcia each had two hits, Connor Gannon had a triple and Ben Gautraud hit a double.
In the nightcap, Whitehall bounced back from a 4-1 first inning deficit with five runs in the third inning.
Chayce Swanson hit a triple and two singles, Cheston Manns had a bases loaded triple and Zweigle had two hits and two RBIs for Whitehall.
Erick Bleakley led the way for North Muskegon with two doubles and a single.
Montague secured its share of the title on Wednesday with 13-4 and 6-2 wins over Mason County Central.
Jacob Buchberger had three hits, including a two-run triple, for the Wildcats. He also pitched the win, tossing a complete game while scattering seven hits and striking out six.
Dylan Stever added three hits and three RBIs for Montague while Cameron Brayman had three walks and two RBIs.
In the nightcap, Brayman had three hits and Buchberger added a two-run triple. Andrew Bobian was the winning pitcher, scattering seven hits with six strikeouts.