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Lakes / Alaska / Ketchikan Gateway County / Marten Arm Lake

Marten Arm Lake, Alaska

329 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Alaska

AnchorageFairbanksMarten Arm LakeKetchikan Gateway Co.

55.15 degrees N, 130.60 degrees W - Ketchikan Gateway 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 Marten Arm Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Quadra LakesKetchikan Gateway3.7 mi39 acres
Hugh Smith LakeKetchikan Gateway4.5 mi811 acres
Bakewell LakeKetchikan Gateway7.9 mi678 acres
Badger LakeKetchikan Gateway8.2 mi537 acres
Bower LakeKetchikan Gateway8.3 mi141 acres
Humpback LakeKetchikan Gateway9.2 mi1,344 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID120471397
Lake TypeLake
Coordinates55.1532, -130.5998

Questions About Marten Arm Lake

How Big Is Marten Arm Lake?

Marten Arm Lake covers 329 acres in Ketchikan Gateway County, Alaska.

What Is the Largest Lake in Ketchikan Gateway County?

Ella Lake is the largest lake in Ketchikan Gateway County, at 1,866 acres.

Largest Lakes in Alaska

#LakeCountySurface AreaMax Depth
1Iliamna LakeLake and Peninsula654,518 acres-
2Becharof LakeLake and Peninsula289,706 acres-
3Teshekpuk LakeNorth Slope206,614 acres-
4Naknek LakeLake and Peninsula145,357 acres-
5Dall LakeBethel111,681 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 120471397). Verified October 30, 2026.