Johnson had 17 points and 12 rebounds while Prebeck added 13 points and 12 rebounds. Al Sowers led Coast Guard with a game-high 19 points to go with six assists. Grant Johnson led the Bears with seven assists.
The Bears (8-2) shot 52.9 percent from the floor (36-68) while shooting a sizzling 46.7 percent from three-point range making 14 of 30.
Coast Guard led 52-24 at halftime.
David Andrade, Jamal Foster and T.J. Smith all had 16 points to lead the Pequots (1-12). James Dunleavy added 10 points for Mitchell.