| ID | | City | | Name |
|---|
| 6MA0 | | Amesbury | | Lake Gardner Seaplane Base |
| 27MA | | Berkley | | Wamsetto Seaplane Base |
| MA87 | | Boston | | Cape Air Seaplanes on Boston Harbor Seaplane Base |
| MA17 | | Boston | | Tailwind Boston Seaplane Base |
| MA25 | | Brewster | | Long Pond Seaplane Base |
| 6MA9 | | Cuttyhunk | | Cuttyhunk Harbor Seaplane Base |
| 7MA2 | | East Freetown | | Craig Cove Seaplane Base |
| MA40 | | Gardner | | Diesel Dogs Seaplane Base |
| MA12 | | Marstons Mills | | Marston Mills Seaplane Base |
| 6MA8 | | New Bedford | | Acushnet River Seaplane Base |
| 2MA7 | | North Attleborough | | Falls Pond Seaplane Base |
| MA78 | | Plymouth | | Russell Mill Pond Seaplane Base |
| MA65 | | Rochester | | Island Air Service Seaplane Base |
| 14MA | | South Hadley | | Kevins Seaport Seaplane Base |
| 5MA8 | | Southwick | | South Pond Seaplane Base |
| MA74 | | Tyngsboro | | Larson's Seaplane Base |
| 10MA | | Ware | | Beaver Lake Seaplane Base |
