Give Green Nail & Spa a try. Green Nail & Spa's address is 17 Water St, Guilford, CT 06437. This is a popular choice for fake nails, manicures, and mani-pedis. At Green Nail & Spa, you can get a uv gel extension for $100. If you have other questions or would like to make an appointment, please call (203) 453-5888.