Buy the best D-18 acoustic guitars online at Chicago Music Exchange. The Martin D-18 is a revered model, known for its exceptional sound and rich history. Introduced in 1931, the D-18 has been a favorite among musicians for its clear, balanced tone and versatile performance. With its solid Sitka spruce top and mahogany back and sides, the D-18 produces a warm, resonant sound that excels in both recording and live settings. Our collection includes new, used, and vintage D-18 models, all available at competitive prices. Whether you're a professional musician or a passionate beginner, the D-18 is an outstanding choice. Explore our selection of D-18 acoustic guitars for sale and find your perfect match today.