| Business | Phone |
| Bayville Shores Realty Ltd 24 Ludlam Ave, Bayville 11709 | (516) 624-0300 |
| Coast Realty 268 Bayville Ave, Bayville 11709 | (516) 628-1099 |
| Porto Bay Realty 56 Bayville Ave, Bayville 11709 | (516) 628-3375 |
| Lee J Smith Realty 82 Bayville Ave, Bayville 11709 | (516) 628-2600 |
| Twin Harbor Real Estate 40 Bayville Ave, Bayville 11709 | (516) 628-1000 |