Granville Stone & Hearth - Outdoor Living Specialists. Besides our large inventory of natural stone, Granville Stone carries Maine granite, landscape supplies, clay brick and concrete pavers, pre-cast wall systems, water-garden accessories and an excellent assortment of wood, gas and pellet stoves. Granville Stone also offers an incredible collection of interior and exterior veneer stone for any project. We carry an impressive selection of natural stone, fabricated granite, and bluestone. Stone is more popular than ever before and the range of products has exploded beyond your wildest dreams. We hope the products on this website will inspire you to visit either of our showrooms to view our ever-expanding inventory. You won’t find better selection and service in the state of Maine.