Lakes / New Jersey / Gloucester County / Iona Lake
Iona Lake, New Jersey
33.07 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Jersey
39.60 degrees N, 75.08 degrees W - Gloucester 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 Iona Lake Stacks Up
- Larger than 20% of the 295 lakes counted in New Jersey.
- About 39 miles from Atlantic City, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Franklinville Lake | Gloucester | 1.7 mi | 33.11 acres |
| Malaga Lake | Gloucester | 1.8 mi | 99.43 acres |
| Willow Grove Lake | Salem | 3.0 mi | 123.52 acres |
| Garrison Lake | Gloucester | 3.4 mi | 40.02 acres |
| Elmer Lake | Salem | 4.4 mi | 50.66 acres |
| Silver Lake | Gloucester | 4.4 mi | 68.78 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Iona Lake
How Big Is Iona Lake?
Iona Lake covers 33.07 acres in Gloucester County, New Jersey.
What Is the Largest Lake in Gloucester County?
Malaga Lake is the largest lake in Gloucester County, at 99.43 acres.
Largest Lakes in New Jersey
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Hopatcong | Sussex | 2,493.66 acres | - |
| 2 | Round Valley Reservoir | Hunterdon | 2,272.23 acres | - |
| 3 | Wanaque Reservoir | Passaic | 1,971.09 acres | - |
| 4 | Van Sciver Lake | Burlington | 1,396.61 acres | - |
| 5 | Spruce Run Reservoir | Hunterdon | 1,354.88 acres | - |
All 295 New Jersey lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 29850473). Verified October 30, 2026.