This is our Belmont Cottage Garden Center page. We have listed the full address of Belmont Cottage, phone numbers and websites. Belmont Cottage is in Southampton. Belmont Cottage sells gardening and lawn care supplies, garden tools and equipment, garden furniture, water gardens and garden accessories in Southampton. You�ll find everything from plants, shrubs and trees to soil and gardening tools. All the supplies you�ll need to build your garden. This Garden Center is in Southampton.