List of islands on the Potomac River

This is a list of islands on the Potomac River and its North and South branches. Because the Potomac belongs to Maryland, the majority of its islands lie within that state with some exceptions.

Potomac River

Alphabetically

Island	Location
Bealls Island	Montgomery County, Maryland
Bear Island	Montgomery County, Maryland at Great Falls Park [1]
Birdsaw Island	Frederick County, Maryland
Bullock Island	St. Mary's County, Maryland in St. Catherine Sound
Byrnes Island	Washington County, Maryland at Harper's Ferry, West Virginia
Cabin John Island	Montgomery County, Maryland at Glen Echo
Cedar Island	Montgomery County, Maryland at Glen Echo
Chatauqua Island	Montgomery County, Maryland at Glen Echo
Chopawamsic Island	Charles County, Maryland
Chopawamsic Island	Prince William County, Virginia at Quantico
Clagett Island	Montgomery County, Maryland near Great Falls, Virginia
Cobb Island	Charles County, Maryland
Colonial Island	Frederick County, Maryland at Knoxville
Columbia Island	District of Columbia
Conn Island	Montgomery County, Maryland near Great Falls of the Potomac River
Cox Island	Frederick County, Maryland
Craney Island	Charles County, Maryland
Daingerfield Island	Alexandria, Virginia
Dots Island	Montgomery County, Maryland near Cabin John
Duck Island	Washington County, Maryland at Marlowe, West Virginia
Elm Island	Montgomery County, Maryland near Blockhouse Point
Gladys Island	Montgomery County, Maryland
Goose Island	District of Columbia at the mouth of Oxon Creek
Grapevine Island	Montgomery County, Maryland near Blockhouse Point
Harris Island	Montgomery County, Maryland
Harrison Island	Montgomery County, Maryland near River Creek, Virginia
Heaters Island	Frederick County, Maryland at Point of Rocks
Hermit Island	Montgomery County, Maryland in the Chesapeake and Ohio Canal National Historical Park
Herzog Island	Montgomery County, Maryland in the Chesapeake and Ohio Canal National Historical Park
High Island	Montgomery County, Maryland at Brookmont
Hog Island	Fairfax County, Virginia at Wellington Heights [2]
Katie Island	Montgomery County, Maryland near Blockhouse Point
Knott Island	Washington County, Maryland near Antietam
Langley Island	Montgomery County, Maryland near Cabin John
Lock Island	Montgomery County, Maryland in the Chesapeake and Ohio Canal National Historical Park
Lowes Island	Loudoun County, Virginia near Sterling
Mason Island	Frederick County, Maryland
Meadow Island	Frederick County, Maryland
Minnehaha Island	Montgomery County, Maryland
Minnie Island	Montgomery County, Maryland near Cabin John
Nolands Island	Frederick County, Maryland
Offutt Island	Montgomery County, Maryland
Olmsted Island	Montgomery County, Maryland at Great Falls of the Potomac River
Paton Island	Frederick County, Maryland at Point of Rocks
Patowmack Island	Fairfax County, Virginia in Northern Virginia Regional Park
Perry Island (Maryland)	Montgomery County, Maryland
Plummers Island	Montgomery County, Maryland near Cabin John
Pond Island	Montgomery County, Maryland near Blockhouse Point
Powhatan Island	Montgomery County, Maryland near Great Falls, Virginia
Rocky Islands	Montgomery County, Maryland in Great Falls Park
Rosilie Island	Prince George's County, Maryland at the Woodrow Wilson Memorial Bridge
Ruppert Island	Montgomery County, Maryland at Glen Echo
Saint Catherine Island	St. Mary's County, Maryland at St. Catherine Sound
Saint Clement's Island	St. Mary's County, Maryland
Saint George Island	St. Mary's County, Maryland
Saint Margaret Island	St. Mary's County, Maryland
Selden Island	Montgomery County, Maryland near Leesburg, Virginia
Sharpshin Island	Montgomery County, Maryland near Sterling, Virginia
Shepherds Island	Washington County, Maryland at Marlowe, West Virginia
Sherwin Island	Montgomery County, Maryland at Great Falls Park
Small Island	District of Columbia
Snake Island	Montgomery County, Maryland at Little Falls Dam
Swainson Island	Montgomery County, Maryland near Cabin John
Sycamore Island	Montgomery County, Maryland [3]
Sycamore Island	Montgomery County, Maryland [4]
Tenfoot Island	Montgomery County, Maryland near Leesburg, Virginia
Theodore Roosevelt Island	District of Columbia
Three Sisters	District of Columbia
Turkey Island (Maryland)	Montgomery County, Maryland at the Yellow Falls
Van Deventer Island	Montgomery County, Maryland near Leesburg, Virginia
Vaso Island	Montgomery County, Maryland in the Chesapeake and Ohio Canal National Historical Park
Wades Island	Montgomery County, Maryland near Cabin John
Watkins Island	Montgomery County, Maryland

Alphabetically by state

District of Columbia

Columbia Island Goose Island Little Island

Theodore Roosevelt Island Three Sisters

Maryland

Bealls Island Bear Island [5] Birdsaw Island Bullock Island Byrnes Island Cabin John Island Cedar Island Chatauqua Island Chopawamsic Island Clagett Island Cobb Island Colonial Island Conn Island Cox Island Craney Island Dots Island Duck Island Elm Island Gladys Island Grapevine Island Harris Island Harrison Island

Heaters Island Hermit Island Herzog Island High Island Katie Island Knott Island Langley Island Lock Island Mason Island Mason Island Meadow Island Minnehaha Island Minnie Island Nolands Island Offutt Island Olmsted Island Paton Island Perry Island (Maryland) Plummers Island Pond Island Powhatan Island

Rocky Islands Rosilie Island Ruppert Island Saint Catherine Island Saint Clement's Island Saint George Island Saint Margaret Island Selden Island Sharpshin Island Shepherds Island Sherwin Island Snake Island Swainson Island Sycamore Island [6] Sycamore Island [7] Tenfoot Island Turkey Island (Maryland) Van Deventer Island Vaso Island Wades Island Watkins Island

See also: List of islands of Maryland

Virginia

Chopawamsic Island Daingerfield Island Hog Island

Lowes Island Patowmack Island

Downstream, South Branch to Point Lookout

Maryland/West Virginia

Unnamed Island [8] Okonoko Island [9] Unnamed Islands [10] Unnamed Island [11] Unnamed Island [12] Unnamed Island [13] Unnamed Island [14]

Hancock Island [15] Unnamed Island [16] Sleepy Creek Islands [17] Unnamed Island [18] Unnamed Island [19] Back Creek Island [20] Unnamed Island [21]

Unnamed Island [22] Duck Island [23] Unnamed Island [24] Shepherds Island [25] Knott Island [26] Byrnes Island [27]

Maryland/Virginia

Unnamed Island [28] Colonial Island [29] Catoctin Creek Island [30] Unnamed Island [31] Paton Island [32] Unnamed Island [33] Heaters Island [34] Mason Island [35] Nolands Island [36] Meadow Island [37] Birdsaw Island [38] Cox Island [39] Mason Island [40] Harrison Island [41] Selden Island [42] Van Deventer Island [43] Tenfoot Island [44] Sharpshin Island [45] Lowes Island [46]

Pond Island [47] Patowmack Island [48] Elm Island [49] Grapevine Island [50] Katie Island [51] Watkins Island [52] Sycamore Island [53] Clagett Island [54] Gladys Island [55] Minnehaha Island [56] Bealls Island [57] Powhatan Island [58] Conn Island [59] Olmsted Island [60] Rocky Islands [61] Bear Island [62] Sherwin Island [63] Offutt Island [64] Hermit Island [65]

Perry Island (Maryland) [66] Herzog Island [67] Turkey Island (Maryland) [68] Vaso Island [69] Plummers Island [70] Dots Island [71] Swainson Island [72] Wades Island [73] Langley Island [74] Minnie Island [75] Cedar Island [76] Cabin John Island [77] Chatauqua Island [78] Ruppert Island [79] Sycamore Island [80] Snake Island [81] High Island [82]

District of Columbia/Virginia

Three Sisters Islands [83] Theodore Roosevelt Island [84]

Small Island [85] Columbia Island [86]

Daingerfield Island [87] Goose Island [88]

Maryland/Virginia

Rosilie Island [89] Hog Island [90] Chopawamsic Island [91]

Cobb Island [92] Saint Margaret Island [93] Bullock Island [94]

Saint Catherine Island [95] Saint Clements Island [96] Saint George Island [97]

North Branch Potomac River

Alphabetically

• Longs Island

Alphabetically by state

Maryland

• Longs Island

South Branch Potomac River

Alphabetically

• Piss Pot Island
• Valley View Island

Alphabetically by state

West Virginia

• Piss Pot Island
• Valley View Island

Downstream, Source to Mouth

Unnamed Island [98] Unnamed Island [99] Unnamed Islands [100]

Piss Pot Island [101] Valley View Island [102] Unnamed Island [103]

Unnamed Island [104] Unnamed Island [105] Unnamed Island [106]

See also

• List of islands of the United States