To achieve a coastal nautical theme with beachy colors and coastal decor in a small kitchen, consider a seaside green kitchen. The walls are painted in a soft green shade, reminiscent of sea glass found on the beach. This color choice creates a calming and tranquil atmosphere. The cabinets are white, providing a clean and fresh look that complements the coastal theme. To add a touch of coastal charm, seashell-shaped knobs and pulls are added to the cabinets. The countertops are made of light-colored quartz, resembling sandy beaches. The backsplash features a mosaic of green and white tiles, resembling the waves of the ocean. A nautical-inspired pendant light hangs above the kitchen island, adding a maritime touch. The dining area is furnished with a wooden table and chairs in a natural finish, evoking a beachside cottage feel. Coastal-themed accessories, such as seashells, starfish, and driftwood, are strategically placed throughout the kitchen to complete the coastal nautical look.