Andrew McCormack (4-1) threw six innings, allowed only five hits and struck out five in the win.
Clark Cashion was two for three with an RBI.
The Sea Kings have a league showdown at defending league champion Beckman, which is ranked No. 2, on Friday at 3:15 p.m.
Laguna Beach 5, Costa Mesa 2
COSTA MESA — Senior PJ Maloney and junior Logan Benter each had two hits and a run batted in for the Mustangs in the Orange Coast League game Tuesday.
Senior pitcher Tyler Sheffner went 6 2/3 with seven strikeouts for Costa Mesa (6-4, 2-2 in league).
The Mustangs play at Estancia on Thursday at 3:15 p.m.
Calvary Chapel 11, Estancia 5
COSTA MESA — Sho Watanabe went two for three with a double for Estancia in the Orange Coast League game Tuesday at Orange Coast College.
Andres Hernandez was one for three with a run batted in, while Steven Macias Brody Pearce both went one for three with a double for Estancia (4-5, 1-2 in league).
Corona del Mar def. Northwood
CORONA DEL MAR — Junior middle blocker Jack Reed finished with nine kills and one block as the defending Pacific Coast League champion Sea Kings opened league play Tuesday with a 25-10, 25-9, 25-19 victory.
Spencer Haly had six kills and one block for CdM (12-2, 1-0 in league) won its third straight match.
Evan Dean had six kills and Joe Ctvrtlik recorded 21 assists.
The Sea Kings, ranked No. 1 in the CIF Southern Section Division I coaches' poll, play at Irvine Friday at 5:15 p.m.
Newport Harbor def. Marina
NEWPORT BEACH — Rusty had 12 kills, two aces and four digs to help the Sailors to a 25-17, 25-11, 25-8 Sunset League-opening win Tuesday.
Cody Caldwell had 11 kills and five digs, Kevin Rakestraw had five kills, Clay Carr had four kills and Ian Sequiera had 28 assists for Newport Harbor (10-6, 1-0 in league), ranked No. 8 in the CIF Southern Section Division I coaches' poll.
The Sailors play host to Los Alamitos Friday at 5:45 p.m.
Laguna Beach def. Estancia
COSTA MESA — Kyle Treiger finished with eight kills in the Orange Coast League opener that Laguna Beach won, 25-13, 25-21, 25-17, Tuesday.