From Wikipedia, the free encyclopedia
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 including portions located in the District of Columbia .
Name
Order downstream
State
Location
unnamed island
1
Maryland
?
Okonoko Island 2
Maryland
?
unnamed islands
3
Maryland
?
unnamed island
4
Maryland
?
unnamed island
5
Maryland
?
unnamed island
6
Maryland
?
unnamed island
7
Maryland
?
Hancock Island 8
Maryland
?
unnamed island
9
Maryland
?
Sleepy Creek Islands 10
Maryland
?
unnamed island
11
Maryland
?
unnamed island
12
Maryland
?
Back Creek Island 13
Maryland
?
unnamed island
14
Maryland
?
unnamed island
15
Maryland
?
Duck Island 16
Maryland
Washington County at Marlowe, West Virginia
unnamed island
17
Maryland
?
Shepherds Island 18
Maryland
Washington County at Marlowe, West Virginia
Knott Island 19
Maryland
Washington County near Antietam
Byrnes Island 20
Maryland
Washington County at Harper's Ferry, West Virginia
unnamed island
21
Maryland
?
Colonial Island 22
Maryland
Frederick County at Knoxville
Catoctin Creek Island 23
Maryland
?
unnamed island
24
Maryland
?
Paton Island 25
Maryland
Frederick County at Point of Rocks
unnamed island
26
Maryland
?
Heaters Island 27
Maryland
Frederick County at Point of Rocks
Mason Island 28
Maryland
Frederick County
Nolands Island 29
Maryland
Frederick County
Meadow Island 30
Maryland
Frederick County
Birdsaw Island 31
Maryland
Frederick County
Cox Island 32
Maryland
Frederick County
Mason Island 33
Maryland
Montgomery County
Harrison Island 34
Maryland
Montgomery County near River Creek, Virginia
Selden Island 35
Maryland
Montgomery County near Leesburg, Virginia
Van Deventer Island 36
Maryland
Montgomery County near Leesburg, Virginia
Tenfoot Island 37
Maryland
Montgomery County near Leesburg, Virginia
Sharpshin Island 38
Maryland
Montgomery County near Sterling, Virginia
Lowes Island 39
Virginia
Loudoun County near Sterling
Pond Island 40
Maryland
Montgomery County near Blockhouse Point
Patowmack Island 41
Virginia
Fairfax County in Seneca Regional Park
Elm Island 42
Maryland
Montgomery County near Blockhouse Point
Grapevine Island 43
Maryland
Montgomery County near Blockhouse Point
Katie Island 44
Maryland
Montgomery County near Blockhouse Point
Torpedo Island 44
Maryland
Montgomery County near Pennyfield Lock
Watkins Island 45
Maryland
Montgomery County
Sycamore Island 46
Maryland
Montgomery County
Clagett Island 47
Maryland
Montgomery County near Great Falls, Virginia
Gladys Island 48
Maryland
Montgomery County
Minnehaha Island 49
Maryland
Montgomery County
Bealls Island 50
Maryland
Montgomery County
Powhatan Island 51
Maryland
Montgomery County near Great Falls, Virginia
Conn Island 52
Maryland
Montgomery County near Great Falls of the Potomac River
Olmsted Island (formerly Great Falls Island)
53
Maryland
Montgomery County at Great Falls of the Potomac River
Rocky Islands 54
Maryland
Montgomery County in Great Falls Park
Bear Island 55
Maryland
Montgomery County at Great Falls Park
Sherwin Island (formerly Cupid's Bower Island)
56
Maryland
Montgomery County at Great Falls Park
Offutt Island 57
Maryland
Montgomery County
Hermit Island 58
Maryland
Montgomery County in the Chesapeake and Ohio Canal National Historical Park
Perry Island 59
Maryland
Montgomery County
Herzog Island 60
Maryland
Montgomery County in the Chesapeake and Ohio Canal National Historical Park
Turkey Island (Maryland) 61
Maryland
Montgomery County at the Yellow Falls
Vaso Island 62
Maryland
Montgomery County in the Chesapeake and Ohio Canal National Historical Park
Plummers Island 63
Maryland
Montgomery County near Cabin John
Dots Island 64
Maryland
Montgomery County near Cabin John
Swainson Island 65
Maryland
Montgomery County near Cabin John
Wades Island 66
Maryland
Montgomery County near Cabin John
Langley Island 67
Maryland
Montgomery County near Cabin John
Minnie Island (Maryland) 68
Maryland
Montgomery County near Cabin John
Cedar Island 69
Maryland
Montgomery County at Glen Echo
Cabin John Island 70
Maryland
Montgomery County at Glen Echo
Chatauqua Island 71
Maryland
Montgomery County at Glen Echo
Ruppert Island 72
Maryland
Montgomery County at Glen Echo
Sycamore Island 73
Maryland
Montgomery County
Snake Island 74
Maryland
Montgomery County at Little Falls Dam
High Island 75
Maryland
Montgomery County at Brookmont
Three Sisters 76
District of Columbia
District of Columbia
Theodore Roosevelt Island 77
District of Columbia
District of Columbia
Little Island 78
District of Columbia
District of Columbia
Columbia Island 79
District of Columbia
District of Columbia
Daingerfield Island 80
Virginia
Alexandria, Virginia
Goose Island 81
District of Columbia
District of Columbia at the mouth of Oxon Creek
Rosilie Island 82
Maryland
Prince George's County at the Woodrow Wilson Memorial Bridge
Hog Island 83
Virginia
Fairfax County, Virginia at Wellington Heights
Chopawamsic Island 84
Virginia
Prince William County at Quantico
Cobb Island 85
Maryland
Charles County
Saint Margaret Island (Maryland) 86
Maryland
St. Mary's County
Bullock Island 87
Maryland
St. Mary's County in St. Catherine Sound
Saint Catherine Island 88
Maryland
St. Mary's County at St. Catherine Sound
Saint Clement's Island 89
Maryland
St. Mary's County
Saint George Island 90
Maryland
St. Mary's County
Craney Island ?
Maryland
Charles County
Harris Island ?
Maryland
Montgomery County
Lock Island ?
Maryland
Montgomery County in the Chesapeake and Ohio Canal National Historical Park
