| Business | Phone |
| M G Frantz & Assoc 181 N Ferry Rd, Shelter Island 11964 | (631) 749-1813 |
| C & C Enterprises Ltd 50 N Ferry Rd, Shelter Island 11964 | (631) 749-1874 |
| Planet Bliss Inc 23n Ferry Rd, Shelter Island 11964 | (631) 749-0053 |
| Island Bio-Greens 7 Country Club Dr, Shelter Island 11964 | (631) 749-0621 |
| Kraus & Kraus 7 Country Club Dr, Shelter Island 11964 | (631) 749-3358 |
| Seabreeze Nursery 20 Manwarning Rd, Shelter Island 11964 | (631) 749-1723 |
| Shelter Island Run Inc 798 N Midway Rd, Shelter Island 11964 | (631) 749-7867 |