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Atlantic Ocean U.S. Island High Points above 150 feet

RankIslandPeak Elev-Ft
StateIsol-MiAscent Date
42.Arrowsic IslandArrowsic Island High Point160Maine1.7 
15.Bar Island [Machiasport]Bar Island High Point210Maine1.1 
33.Bar Island [Gouldsboro]Bar Island Summit173Maine1.0 
27.Barters IslandBarters Island High Point180Maine1.2 
14.Block IslandBeacon Hill211Rhode Island15.4 
19.Butler IslandBig Mountain196Maine1.5 
37.Monhegan IslandBlack Head165Maine11.7 
41.Black IslandBlack Island High Point161Maine3.6 
30.Bois Bubert IslandBois Bubert Island High Point178Maine1.3 
40.Bradbury IslandBradbury Island High Point162Maine2.1 
47.Burnt IslandBurnt Island High Point156Maine6.5 
1.Mount Desert IslandCadillac Mountain1528Maine87.0 
34.Calderwood Neck IslandCalderwood Neck Island High Point171Maine2.3 
31.Hog Island [Essex Co.]Choate Benchmark177Massachusetts3.0 
19.Conary IslandConary Island High Point196Maine4.9 
22.Cross IslandCross Island High Point193Maine4.2 
42.Eagle Island [Hancock Co.]Eagle Island High Point160Maine1.6 
8.Swans IslandGoose Pond Mountain241Maine9.8 
27.Great Chebeague IslandGreat Chebeague Island High Point180Maine.2 
39.Hurricane IslandHurricane Island High Point164Maine3.0 
4.Long IslandJaynes Hill400New York21.2 
11.Jordan IslandJordan Island High Point220Maine4.1 
17.Isleboro IslandKedears Hill200Maine3.1 
26.Kimball IslandKimball Island High Point187Maine.9 
10.Long Island [Frenchboro]Long Island High Point221Maine3.7 
37.Long Porcupine IslandLong Porcupine Island High Point165Maine1.3 
7.ManhattanManhattan High Point265New York1.2 
5.Martha's VineyardMarthas Vineyard High Point311Massachusetts29.8 
19.Head Harbor IslandMoose-A-Bec Benchmark196Maine5.8 
2.Isle au HautMount Champlain550Maine19.5 
32.Naushon IslandMount Surat174Massachusetts5.2 
48.Nashawena IslandNashawena Island High Point151Massachusetts6.1 
42.North Haven IslandOak Hill160Maine3.9 
46.Pond IslandPond Island High Point158Maine2.1 
34.Preble IslandPreble Island High Point171Maine1.0 
24.Prudence IslandPrudence Island High Point190Rhode Island2.6 
6.Aquidneck IslandQuaker Hill290Rhode Island5.8 
11.Sebascodegan IslandReach Mountain220Maine4.7 
11.Roque IslandRoque Benchmark220Maine5.0 
15.Sears IslandSears Island High Point210Maine3.1 
49.Seguin IslandSeguin Island High Point150Maine3.9 
23.Seward Neck IslandSeward Neck Island High Point192Maine2.6 
24.Shelter IslandShelter Island Heights190New York6.6 
42.Southport IslandSouthport Island High Point160Maine2.0 
9.Great Spruce Head IslandThe Head230Maine5.7 
3.Staten IslandTodt Hill420New York13.0 
34.Westport Island Westport Island High Point171Maine1.1 
17.Bald Porcupine IslandWheeler Benchmark200Maine1.3 
27.Deer IsleWhitmore Neck180Maine3.8 

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List Description

Most of the islands (38 our of 49, or 78%) on this list are in Maine. There are no islands over 150 feet high on the USA Atlantic seaboards south of New York harbor.


Thanks to Dave Covill, who did a great deal of exhaustive data entry to get this list complete.


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