Lakes / New York / Irondequoit Bay
Irondequoit Bay, New York
1,660 acres
Surface Area
73 ft
Max Depth
17.7 mi
Shoreline
246 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - New York
43.21 degrees N, 77.53 degrees W - Monroe County. State and county outlines drawn from Census boundary data; the lake marker is placed by its New York State DEC coordinates, not by eye. Schematic - not a survey map.
Depth Profile - Irondequoit Bay
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How Irondequoit Bay Stacks Up
- The largest lake in Monroe County among those counted.
- About 5 miles from Rochester, as the crow flies.
- 16 fish species on the DEC list for this lake.
Fish Species
WalleyeNorthern PikeSmallmouth BassLargemouth BassBlack CrappieBluegillPumpkinseedYellow PerchChannel CatfishBrown TroutRainbow TroutRock BassBowfinBrown BullheadChain PickerelCoho/chinook
Species recorded for this lake. Presence only - no abundance ratings.
Facts and Figures
Waterbody ID113133379
CountyMonroe
Coordinates43.2067, -77.5295
Deepest Natural Lakes in New York
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Seneca Lake | Ontario, Yates, Seneca, Schuyler | 43,343 acres | 618 ft |
| 2 | Cayuga Lake | Cayuga | 42,956 acres | 435 ft |
| 3 | Skaneateles Lake | Onondaga, Cortland, Cayuga | 8,960 acres | 300 ft |
| 4 | Canandaigua Lake | Ontario, Yates | 10,558 acres | 276 ft |
| 5 | Lake George | Essex, Warren | 28,451 acres | 187 ft |
Largest Lakes in New York
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Erie | Erie | 6,360,010 acres | - |
| 2 | Lake Ontario | Jefferson | 4,656,925 acres | - |
| 3 | Lake Champlain | Washington | 277,117 acres | - |
| 4 | Oneida Lake | Oswego | 51,324 acres | - |
| 5 | Seneca Lake | Ontario, Yates, Seneca, Schuyler | 43,343 acres | 618 ft |
Sources: New York State DEC lake data (ID 113133379); USGS. Verified October 30, 2026.