create an elegant coastal themed restaurant interior with a nautical flair use light beige wood for the furniture and ceiling with soft gray tableware incorporate white walls with subtle textures and a backdrop featuring vibrant oceanic blues add decorative elements like a large colorful fish sculpture incorporating red and black stripes include globe shaped lanterns with rope detailing casting a warm glow integrate natural rope textures on the walls for an authentic marina feel the atmosphere should be airy and chic with a hint of rustic charm as sunlight streams through large circular windows enhancing the fresh and inviting ambiance