Lakes / Alaska / Kodiak Island County / Grant Lagoon
Grant Lagoon, Alaska
364 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
57.46 degrees N, 154.65 degrees W - Kodiak Island County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Grant Lagoon Stacks Up
- Larger than 72% of the 2,450 lakes counted in Alaska.
- About 187 miles from Homer, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Karluk Lagoon | Kodiak Island | 11 mi | 412 acres |
| Red Lake | Kodiak Island | 20 mi | 1,916 acres |
| Karluk Lake | Kodiak Island | 23 mi | 9,461 acres |
| Frazer Lake | Kodiak Island | 23 mi | 4,053 acres |
| Akalura Lake | Kodiak Island | 25 mi | 1,256 acres |
| Thumb Lake | Kodiak Island | 26 mi | 149 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Grant Lagoon
How Big Is Grant Lagoon?
Grant Lagoon covers 364 acres in Kodiak Island County, Alaska.
What Is the Largest Lake in Kodiak Island County?
Karluk Lake is the largest lake in Kodiak Island County, at 9,461 acres.
Largest Lakes in Alaska
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Iliamna Lake | Lake and Peninsula | 654,518 acres | - |
| 2 | Becharof Lake | Lake and Peninsula | 289,706 acres | - |
| 3 | Teshekpuk Lake | North Slope | 206,614 acres | - |
| 4 | Naknek Lake | Lake and Peninsula | 145,357 acres | - |
| 5 | Dall Lake | Bethel | 111,681 acres | - |
All 2,450 Alaska lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 125378820). Verified October 30, 2026.