| Business | Phone |
| Oyster Bay Historical Society 20 Summit St, Oyster Bay 11771 | (516) 922-5032 |
| Planting Fields Foundation Planting Fields Rd, Oyster Bay 11771 | (516) 922-9210 |
| Raynham Hall Museum 20 W Main St, Oyster Bay 11771 | (516) 922-6808 |
| Theodore Roosevelt Sanctuary 134 Cove Rd, Oyster Bay 11771 | (516) 922-3200 |