The Ancient Greek kitchen was a central part of the household, where food preparation and cooking took place. The coastal beach house theme with seashell accents can be incorporated into this kitchen by using seashell-shaped tiles for the backsplash, seashell-shaped knobs for the cabinets, and seashell-inspired artwork on the walls. The overall design can be kept simple and elegant, with white and blue color schemes reminiscent of the Greek islands. The kitchen can be adorned with ancient Greek pottery and sculptures, adding a touch of authenticity to the space.