Mer Tranquillite/Sea of Tranquility is a unique center in Montreal that offers everything needed for yoga and mindfulness practices. It features a wide selection of books related to well-being, mindfulness, and yoga, along with yoga mats, blocks, straps, blankets, and other helpful materials. The shop is known for its kindness and helpful staff, who go out of their way to assist customers. The owner and staff are caring, knowledgeable, and provide quality products at competitive prices, often cheaper than online options. Recently relocated to an accessible area near Jean-Talon/Victoria, the center has been serving the community for a long time. Customers appreciate the friendly atmosphere, the variety of useful items, and the good service, making it a favorite spot for yoga and meditation enthusiasts.