| ID | | City | | Name |
|---|
| I58 | | Angola | | Crooked Lake Seaplane Base |
| 01E | | Angola | | Lake James Seaplane Base |
| C67 | | Angola | | Lake Pleasant Seaplane Base |
| 07I | | Bloomington | | Lake Monroe Seaplane Base |
| 12I | | Brookville | | Brookville Reservoir Seaplane Base |
| IN7 | | Cedar Lake | | Cedar Lake Seaplane Base |
| 57P | | Clear Lake | | Clear Lake Seaplane Base |
| 01H | | Culver | | Lake Maxinkuckee Seaplane Base |
| 0IN | | Elkhart | | St Joseph River Seaplane Base |
| 06I | | French Lick | | Patoka Reservoir Landing Area Seaplane Base |
| 01F | | Hamilton | | Hamilton Lake Seaplane Base |
| IN6 | | Hudson Lake | | Hudson Lake Seaplane Base |
| IN2 | | Jamestown | | Snow Lake Seaplane Base |
| 56I | | Kendallville | | Big Long Lake Seaplane Base |
| 2IN | | Lagrange | | Oliver Lake Seaplane Base |
| I01 | | Lagrange | | Dallas Lake Seaplane Base |
| 7J4 | | Lake James | | Jimmerson Lake Seaplane Base |
| IN4 | | Leo-Cedarville | | Cedarville Reservoir Seaplane Base |
| I00 | | Monticello | | Lake Shafer Seaplane Base |
| IN9 | | North Webster | | Webster Lake Seaplane Base |
| 43I | | Peru | | Mississinewa Reservoir Landing Area Seaplane Base |
| IN0 | | Stroh | | Big Turkey Lake Seaplane Base |
| 01D | | Syracuse | | Lake Wawasee Seaplane Base |
| 99D | | Syracuse | | Dewart Lake Seaplane Base |
| 01B | | Warsaw | | Tippecanoe Seaplane Base |
| 0IA | | Warsaw | | Barbee Lake Seaplane Base |
| 01L | | Winona | | Bass Lake Seaplane Base |
| 02D | | Winona Lake | | Winona Lake Seaplane Base |
| IN5 | | Woolcottville | | Adams Lake Seaplane Base |
