Trick-or-Treating Hours; Halloween Party: Ghostly Greetings! TOWN OF DELAVAN Community-Wide Trick-or-Treating Sunday, October 29 @12-3pm  HALLOWEEN PARTY @Waters Edge 1220 South Shore Drive Sunday, October 29 @3pm-5pm The Town of Delavan invites all ages (residents and non-residents) for a special Halloween Party, Sunday,  October 30 @3-5pm inside Waters Edge! Costume Contest at 4:00pm Balloon making 3:00-5:00pm We will have a Haunted bus, hot dogs and treat bags for the Little Ghouls and Goblins.