Home › Top 4 Spa in Manhasset, New York Find best Spa in Manhasset, New York, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Oasis Organic Beauty Spa US, Manhasset, NY 110307 George St Smooth Generation Facial & Laser US, Manhasset, NY 11030577 Plandome Rd Flirt Spa & Brow Bar US, Manhasset, NY 110301693 Northern Blvd Julia Day Spa of Manhasset US, Manhasset, NY 110301532 Northern Blvd