A nostalgic travel illustration depicting the maine coast (content: idyllic forested rugged seashore scene, tall pines, azure ocean waters) with crashing surf (medium: digital vector art)(style: reminiscent of mid-century modern travel advertisements)(lighting: soft, warm sunlight, creating a welcoming atmosphere)(colors: a harmonious palette of pastel blues, greens, and reds lending a retro charm to the design)(composition: shot from a high vantage point with a standard lens, showcasing the coast's striking landscape, with a bridge crossing a river as it empties into the ocean and the sea forming a calm backdrop).