Create a chic and sophisticated coastal ambiance in your kitchen with a nautical theme. Opt for a color palette of navy blue, crisp white, and metallic accents like brushed brass or chrome. Choose sleek and modern cabinetry with clean lines and add a subway tile backsplash for a timeless look. Incorporate coastal decor elements such as seashell-shaped pendant lights, a driftwood centerpiece, and coastal-inspired artwork. Install open shelving to display stylish coastal-themed dinnerware and glassware. This kitchen ambiance will exude elegance and coastal charm.