Brackets for the state tournament have not yet been released.
The Red Raiders captured the South Jersey Group B title on Wednesday with a 95-75 win over top-seeded Haddonfield, according to nj.com.
Ocean City entered the tournament as the No. 2 seed.
The South Jersey title added prestige to a season in which Ocean City won the Cape-Atlantic League championship in addition to the CAL National Conference title. The undefeated Red Raiders (13-0) handed Mainland its only two losses this season.
Each of those three teams was the No. 1 seed in their respective group.