aigialo-, aigial-, aigi- +

(Greek: beach, seashore; and also a cliff)

agialosaur
Beach lizard.
aigialium
A community of beach-dwelling organisms.
aigialophilous (adjective), more aigialophilous, most aigialophilous
Pertaining to living in beach environments.
aigialophyte (s) (noun), aigialophytes (pl)
Plants that exist and thrive on beaches.
aigicole (verb), aigicoles; aigicoled; aigicoling: beach
To inhabit beach areas or living among pebbles.