| Montréal/Boisvert & Fils Water Airport | |
| Tc: | CSA4 |
| Type: | Private |
| Operator: | Boisvert & Fils Aviation |
| Location: | Montreal, Quebec, Canada |
| Timezone: | EST |
| Summer: | EDT |
| Elevation-F: | 40 |
| Coordinates: | 45.6456°N -73.5969°W |
| Pushpin Map: | Canada Quebec |
| Pushpin Label: | CSA4 |
| Pushpin Map Caption: | Location in Quebec |
| R1-Number: | n/a |
| R1-Length-F: | n/a |
| R1-Length-M: | n/a |
| R1-Surface: | Water |
| Footnotes: | Source: Water Aerodrome Supplement |
Montréal/Boisvert & Fils Water Airport is located on the River des Prairies, near Montreal, Quebec, Canada and is open from May until the middle of November. It is classified as an airport by Nav Canada and is subject to regular inspections by Transport Canada.