Yes, Portugals Marron Monchique Granite can be used in a bathroom. Granite is a durable and water-resistant material that makes it suitable for use in wet areas like bathrooms. It can be used for countertops, backsplashes, vanity tops, and even as tiles for flooring or wall cladding. With proper sealing and maintenance, Marron Monchique Granite can add a luxurious and sophisticated touch to your bathroom.