Create a vintage coastal ambiance in your kitchen with a beach house theme. Opt for retro-inspired appliances and vintage-style cabinets for a nostalgic feel. Choose a color palette inspired by the beach, such as shades of aqua and coral. Incorporate seashell accents by using seashell-shaped salt and pepper shakers or seashell-printed curtains. Display vintage beach signs or hang a collection of vintage beach photographs on the wall. This kitchen ambiance will make you feel like you've stepped back in time to a charming beachfront cottage.