Peak's Island Military Reservation
Peak's Island Military Reservation (1906-1948) - An World War II Coastal Military Reservation first established in 1906 on Peak Island in Cumberland County, Maine. Named in War Department G.O. 8, 1937. Abandoned in 1948.
Endicott Period (1890-1910)
Part of the Harbor Defense of Portland, Maine.
This reservation consists of three separate sites, purchased/leased at different times. The earliest site is a 19.76 acre site purchased in 1906 and originally used for a pair of searchlights and a combined fire control station. The second site was purchased in 1942-1943 and third site was purchased in 1942. Site #2 was 146.29 acres that expanded the original site and site #3 was .74 acres for a fire control station.
In 1905, a 36" searchlight was installed and accepted for service 26 Dec 1905.
In 1909, a combined fire control station for Battery Ingalls, Battery Preble and Battery Chase was built and accepted for service on 29 Jan 1909 at a cost of $ 5,787.73.
In 1911, a 60" and the existing 36" searchlight (#8 and #9) were installed on new towers (one metal and one wooden) along with a new powerhouse with two 25kw gasoline motor generator sets. This facility was accepted for service 19 Jun 1911 at a cost of $ 18,043.46.
World War I (1917-1918)

World War II (1941-1945)
The reservation housed Battery 102, Battery 203, five BC/fire control stations and an SCR-296 radar during World War II.
Battery Click on Battery links below |
No. | Caliber | Type Mount | Service Years | Battery Cost | Notes |
---|---|---|---|---|---|---|
Battery 102 Battery Steele (2) |
2 | 16" | Casemated Barbette (CBC) | 1945-1948 | $ ? | |
Battery 203 Battery Cravens |
2 | 6" | Shielded Barbette (SBC) | 1945-1948 | $ ? | |
Battery Unnamed | 2 | 3" | Pedestal | 1942-1945 | $ ? | |
Battery AMTB 963 | 2 2 |
90mm 90mm |
AMTB M3 Mobile M1A1 |
1943-1943-1943-1946 | $ ? | |
Battery AMTB 964 | 2 2 |
90mm 90mm |
AMTB M3 Mobile M1A1 |
1943-1943-1943-1946 | $ ? | |
Source: CDSG |

Current Status
Part of Peak Island, Cumberland County, Maine. Mostly on private land except for Battery 102 which is open to the public.Battery 203 has a house on top of it and both the AMTB battery concrete pads are in peoples yards, three are visible and the outline of the fourth can be seen.
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Location: Peak Island, Cumberland County, Maine. Maps & Images Lat: 43.660454 Long: -70.179975 |
Sources:
- U.S.Army, Supplement to the Harbor Defense Project of Portland, Maine, (HDPB-AN-45), 11 Apr 1945, CDSG
Links:
- U.S.A.C.E., Portland, ME Archives Search Report, Findings, Peaks Island Military Reservation Large pdf download
- North American Forts - Peak Island Military Reservation
- Peaks Preserve
- CDSG
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Peak's Island Military Reservation Picture Gallery
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