• Smile!
    [noun] a pleased, kind, or amused facial expression, typically with the corners of the mouth turned up and the front teeth exposed : he flashed his most winning smile | she greeted us all with a smile.
  • Brush!
    Brushing your teeth is important, but may not be enough. We can help you understand how to keep your smile looking it's best.
Harbor Hill Dental is a state of the art dental practice offering the most up-to-date techniques in dental health. Our philosophy is built upon listening to our patient's needs and educating them as to how they can achieve a healthy and attractive smile that they can afford and maintain.

Dr. Steven Grandillo and staff at Harbor Hill Dental are proud to have patients from many towns including: St. James, Stony Brook, Setauket, East Setauket, Centereach, Smithtown, Commack, Nesconset, Coram, Lake Grove, Lake Ronkonkoma, Selden, Hauppauge, Kings Park, Port Jefferson Station, Port Jefferson, Farmingville, Holbrook, and Nissequogue.

Harbor Hill Dental operates a neighborhood practice which offers state-of-the-art dentistry in a friendly and caring environment. We have only one rule, "NO PAIN ALLOWED". Our professional staff make every effort to make your visit as pleasant as modern technology permits. From convenient extended hours to multiple financing plans who do it all for you, our valued next patient. We cannot wait to meet you and make you smile. Harbor Hill Dental participates in most dental insurance plans. If you do not have insurance, Harbor Hill Dental offers EDP and Aflac NY as an option for you and your family to consider. Our patients save significantly on many dental procedures. Interest free financing options as well as low interest rates and long-term financing are available through Care Credit and Springstone.