Seashore can be any of the following:

Landform Coast Intertidal zone, between high and low water lines National seashore, a special designation in the United States Shore Beach

Other Seashore (software), an open source image editor, based on GIMP written in Cocoa for Mac OS X Carl Seashore, psychologist Seashore (film), a 2015 Brazilian film "Seashore", a song by The Regrettes from the album Feel Your Feelings Fool! Seashore Trolley Museum, a Maine museum MSC Seashore is a Seaside EVO-class cruise ship built for MSC Cruises