Achieve a minimalist and serene coastal ambiance in your kitchen with a nautical theme. Opt for a color palette of soft whites, light grays, and pale blues for a clean and calming look. Choose sleek and handle-less cabinetry with a matte finish and a quartz or marble countertop for a minimalist aesthetic. Incorporate coastal decor elements such as a subway tile backsplash in a light blue hue, pendant lights with a simple and sleek design, and coastal-inspired artwork with a minimalist touch. This kitchen ambiance will exude tranquility and coastal simplicity.