| Business | Phone |
| Allan M Schneider & Assoc Inc 13 Grand Ave, Shelter Isle Hts 11965 | (631) 749-4000 |
| Beach-Wood Realty 23 West Neck Rd # 1, Shelter Isle Hts 11965 | (631) 749-2288 |
| Griffing & Collins 154 N Ferry Rd, Shelter Isle Hts 11965 | (631) 749-0500 |
| Legend Realty 8 Grand Ave, Shelter Isle Hts 11965 | (631) 749-3388 |