List of islands of Connecticut

This is a list of islands of Connecticut. The list does not include named minor rock outcroppings, former islands that are now connected to the mainland by landfill, or false islands that are connected by thin slivers of land to the mainland. Unless otherwise indicated, listed islands are in Long Island Sound.

Name Town Coordinates Notes
Andrews Island Branford 41°15′48″N 72°45′57″W / 41.26333°N 72.76583°W / 41.26333; -72.76583
Andrews Island Stonington 41°20′00″N 71°57′21″W / 41.33333°N 71.95583°W / 41.33333; -71.95583
Ball Island New Haven 41°18′27″N 72°54′25″W / 41.30750°N 72.90694°W / 41.30750; -72.90694 Mill River
Barn Island Stonington 41°19′46″N 71°52′06″W / 41.32944°N 71.86833°W / 41.32944; -71.86833
Barton Island Griswold 41°33′29″N 71°53′53″W / 41.55806°N 71.89806°W / 41.55806; -71.89806 Pachaug Pond
Bear Island Branford 41°15′29″N 72°44′21″W / 41.25806°N 72.73917°W / 41.25806; -72.73917 Part of Thimble Islands
Beers Island Branford 41°15′25″N 72°44′38″W / 41.25694°N 72.74389°W / 41.25694; -72.74389 Part of Thimble Islands
Belden Island Branford 41°15′47″N 72°45′42″W / 41.26306°N 72.76167°W / 41.26306; -72.76167
Betts Island Norwalk 41°04′13″N 73°23′29″W / 41.07028°N 73.39139°W / 41.07028; -73.39139 Part of Norwalk Islands
Bluff Island Greenwich 41°00′38″N 73°35′55″W / 41.01056°N 73.59861°W / 41.01056; -73.59861
Bowers Island Greenwich 40°59′45″N 73°38′04″W / 40.99583°N 73.63444°W / 40.99583; -73.63444
Brockway Island Essex 41°22′24″N 72°22′35″W / 41.37333°N 72.37639°W / 41.37333; -72.37639 Connecticut River
Burr Island Branford 41°15′48″N 72°45′17″W / 41.26333°N 72.75472°W / 41.26333; -72.75472
Calf Islands Greenwich 40°59′30″N 73°38′23″W / 40.99167°N 73.63972°W / 40.99167; -73.63972
Calf Pasture Island Norwalk 41°04′57″N 73°23′01″W / 41.08250°N 73.38361°W / 41.08250; -73.38361 Part of Norwalk Islands
Calves Island Old Lyme 41°19′35″N 72°20′41″W / 41.32639°N 72.34472°W / 41.32639; -72.34472 Connecticut River
Candlewood Isle New Fairfield 41°28′52″N 73°27′15″W / 41.48111°N 73.45417°W / 41.48111; -73.45417 Candlewood Lake
Canfield Island Norwalk/Westport 41°05′49″N 73°22′58″W / 41.09694°N 73.38278°W / 41.09694; -73.38278
Carting Island Stratford 41°12′48″N 73°06′47″W / 41.21333°N 73.11306°W / 41.21333; -73.11306 Housatonic River
Cat Island Branford 41°15′15″N 72°44′20″W / 41.25417°N 72.73889°W / 41.25417; -72.73889 Part of Thimble Islands
Cedar Hammock Norwalk 41°04′10″N 73°25′04″W / 41.06944°N 73.41778°W / 41.06944; -73.41778
Cedar Island Branford 41°15′30″N 72°45′39″W / 41.25833°N 72.76083°W / 41.25833; -72.76083
Cedar Island Brookfield 41°31′43″N 73°26′31″W / 41.52861°N 73.44194°W / 41.52861; -73.44194 New Milford Bay
Cedar Island Clinton 41°15′56″N 72°31′33″W / 41.26556°N 72.52583°W / 41.26556; -72.52583 Connected to mainland by landfill
Charles Island Milford 41°11′27″N 73°03′17″W / 41.19083°N 73.05472°W / 41.19083; -73.05472 Connected by sandbar to mainland during low tide.
Chauncey Island Ridgefield 41°19′22″N 73°30′21″W / 41.32278°N 73.50583°W / 41.32278; -73.50583 Lake Naraneka
Chimon Island Norwalk 41°03′57″N 73°23′30″W / 41.06583°N 73.39167°W / 41.06583; -73.39167 Part of Norwalk Islands
Clam Island Branford 41°14′51″N 72°48′54″W / 41.24750°N 72.81500°W / 41.24750; -72.81500
Clown Island Torrington 41°46′07″N 73°06′44″W / 41.76861°N 73.11222°W / 41.76861; -73.11222
Cockenoe Island Westport 41°05′01″N 73°21′18″W / 41.08361°N 73.35500°W / 41.08361; -73.35500 Part of Norwalk Islands
Copps Island Norwalk 41°03′31″N 73°23′13″W / 41.05861°N 73.38694°W / 41.05861; -73.38694 Part of Norwalk Islands
Connected by sandbar to Crow Island
Cove Island Stamford 41°02′50″N 73°30′03″W / 41.04722°N 73.50083°W / 41.04722; -73.50083
Crab Island Darien 41°03′01″N 73°27′41″W / 41.05028°N 73.46139°W / 41.05028; -73.46139
Crow Island Norwalk 41°03′40″N 73°23′26″W / 41.06111°N 73.39056°W / 41.06111; -73.39056 Part of Norwalk Islands
Connected by sandbar to Chimon Island and Copps Island
Curatole Island New Hartford 41°52′46″N 73°02′37″W / 41.87944°N 73.04361°W / 41.87944; -73.04361 West Hill Pond
Cut in Two Island Branford 41°15′30″N 72°44′45″W / 41.25833°N 72.74583°W / 41.25833; -72.74583 Part of Thimble Islands
Cuties Island (Vincent Island) Stamford 41°02′08″N 73°30′36″W / 41.03556°N 73.51000°W / 41.03556; -73.51000 Also a ghost town.
Davis Island Branford 41°15′20″N 72°44′44″W / 41.25556°N 72.74556°W / 41.25556; -72.74556 Part of Thimble Islands
Deer Island Sherman 41°32′14″N 73°27′50″W / 41.53722°N 73.46389°W / 41.53722; -73.46389 Candlewood Lake
Deer Island Litchfield 41°41′48″N 73°13′42″W / 41.69667°N 73.22833°W / 41.69667; -73.22833 Bantam Lake
Diving Island Greenwich 41°00′48″N 73°35′58″W / 41.01333°N 73.59944°W / 41.01333; -73.59944
Dodges Island Stonington 41°19′44″N 71°57′15″W / 41.32889°N 71.95417°W / 41.32889; -71.95417
Dog Island Norwalk 41°03′30″N 73°24′35″W / 41.05833°N 73.40972°W / 41.05833; -73.40972 Part of Norwalk Islands
Dogfish Island Branford 41°15′25″N 72°44′49″W / 41.25694°N 72.74694°W / 41.25694; -72.74694 Part of Thimble Islands
Duck Island Westbrook 41°15′22″N 72°28′30″W / 41.25611°N 72.47500°W / 41.25611; -72.47500
Duck Island Milford 41°10′27″N 73°06′30″W / 41.17417°N 73.10833°W / 41.17417; -73.10833 Charles E. Wheeler Wildlife Management Area
Dunks Island Old Saybrook 41°16′48″N 72°22′54″W / 41.28000°N 72.38167°W / 41.28000; -72.38167 Wetlands off Plum Back River
East Crib Branford 41°15′11″N 72°45′12″W / 41.25306°N 72.75333°W / 41.25306; -72.75333 Part of Thimble Islands
East Stooping Bush Island Branford 41°15′04″N 72°44′50″W / 41.25111°N 72.74722°W / 41.25111; -72.74722 Part of Thimble Islands
Elihu Island Stonington 41°20′12″N 71°53′14″W / 41.33667°N 71.88722°W / 41.33667; -71.88722
Enders Island Stonington 41°19′20″N 71°57′46″W / 41.32222°N 71.96278°W / 41.32222; -71.96278
Eustasia Island Lyme 41°23′32″N 72°25′13″W / 41.39222°N 72.42028°W / 41.39222; -72.42028 Connecticut River
Falkner Island Guilford 41°12′41″N 72°39′18″W / 41.21139°N 72.65500°W / 41.21139; -72.65500
Fayerweather Island Bridgeport 41°8′35″N 73°12′58″W / 41.14306°N 73.21611°W / 41.14306; -73.21611 Long Island Sound near Black Rock Harbor.
Fish Islands Darien 41°02′54″N 73°27′26″W / 41.04833°N 73.45722°W / 41.04833; -73.45722
Foskett Island Guilford 41°15′29″N 72°42′40″W / 41.25806°N 72.71111°W / 41.25806; -72.71111
Fowler Island Milford 41°14′13″N 73°06′08″W / 41.23694°N 73.10222°W / 41.23694; -73.10222 Housatonic River
Fox Island Lebanon 41°38′23″N 72°18′27″W / 41.63972°N 72.30750°W / 41.63972; -72.30750 Williams Pond
Frisbie Island Branford 41°15′46″N 72°45′18″W / 41.26278°N 72.75500°W / 41.26278; -72.75500
Gates Island Groton 41°18′55″N 71°58′01″W / 41.31528°N 71.96694°W / 41.31528; -71.96694
Gildersleeve Island Portland 41°36′21″N 72°36′52″W / 41.60583°N 72.61444°W / 41.60583; -72.61444 Connecticut River
Goat Island Stonington 41°20′27″N 71°53′07″W / 41.34083°N 71.88528°W / 41.34083; -71.88528
Goodyear Island New Milford/Bridgewater 41°32′16″N 73°24′15″W / 41.53778°N 73.40417°W / 41.53778; -73.40417 Lake Lillinonah (Housatonic River)
Goose Island Greenwich 41°01′00″N 73°35′57″W / 41.01667°N 73.59917°W / 41.01667; -73.59917
Goose Island Stratford 41°11′39″N 73°07′01″W / 41.19417°N 73.11694°W / 41.19417; -73.11694 Housatonic River
Goose Island Old Lyme 41°20′10″N 72°20′56″W / 41.33611°N 72.34889°W / 41.33611; -72.34889 Connecticut River
Goose Island Westport 41°04′18″N 73°22′17″W / 41.07167°N 73.37139°W / 41.07167; -73.37139 Part of Norwalk Islands
Gorham Island Westport 41°08′38″N 73°21′47″W / 41.14389°N 73.36306°W / 41.14389; -73.36306 Saugatuck River
Governor Island Branford 41°15′17″N 72°45′21″W / 41.25472°N 72.75583°W / 41.25472; -72.75583 Part of Thimble Islands
Governors Island Hampton 41°47′30″N 72°05′03″W / 41.79167°N 72.08417°W / 41.79167; -72.08417 Pine Acres Lake
Grannis Island New Haven Quinnipiac River
Grass Island Stamford 41°01′35″N 73°32′22″W / 41.02639°N 73.53944°W / 41.02639; -73.53944
Grassy Island Norwalk/Westport 41°04′13″N 73°23′00″W / 41.07028°N 73.38333°W / 41.07028; -73.38333 Part of Norwalk Islands
Great Captain Island Greenwich 40°58′56″N 73°37′43″W / 40.98222°N 73.62861°W / 40.98222; -73.62861
Great Island Old Lyme 41°17′17″N 72°19′56″W / 41.28806°N 72.33222°W / 41.28806; -72.33222
Green Island Branford 41°15′19″N 72°50′35″W / 41.25528°N 72.84306°W / 41.25528; -72.84306
Green Island Sherman 41°32′53″N 73°28′07″W / 41.54806°N 73.46861°W / 41.54806; -73.46861 Candlewood Lake
Greenaway Island (Caritas Island) Stamford 41°02′12″N 73°30′20″W / 41.03667°N 73.50556°W / 41.03667; -73.50556
Greenwich Island Greenwich 41°00′44″N 73°34′37″W / 41.01222°N 73.57694°W / 41.01222; -73.57694
Griswold Island East Lyme 41°17′40″N 72°13′27″W / 41.29444°N 72.22417°W / 41.29444; -72.22417
Haddam Island Haddam 41°29′30″N 72°31′05″W / 41.49167°N 72.51806°W / 41.49167; -72.51806 Connecticut River
Hall Island Stonington 41°19′39″N 71°51′04″W / 41.32750°N 71.85111°W / 41.32750; -71.85111 Pawcatuck River
Hen Island Branford 41°15′14″N 72°44′48″W / 41.25389°N 72.74667°W / 41.25389; -72.74667 Part of Thimble Islands
High Island Branford 41°14′57″N 72°45′28″W / 41.24917°N 72.75778°W / 41.24917; -72.75778 Part of Thimble Islands
Hobs Island Groton 41°19′19″N 72°04′33″W / 41.32194°N 72.07583°W / 41.32194; -72.07583 Thames River
Holly Hock Island Norwich 41°31′39″N 72°05′11″W / 41.52750°N 72.08639°W / 41.52750; -72.08639 Yantic River
Horse Island Greenwich 41°00′50″N 73°36′17″W / 41.01389°N 73.60472°W / 41.01389; -73.60472
Horse Island Branford 41°14′40″N 72°45′27″W / 41.24444°N 72.75750°W / 41.24444; -72.75750 Part of Thimble Islands
Horse Island Guilford 41°15′28″N 72°42′23″W / 41.25778°N 72.70639°W / 41.25778; -72.70639
Hoyt Island Norwalk 41°04′26″N 73°25′09″W / 41.07389°N 73.41917°W / 41.07389; -73.41917
Huntley Island East Lyme 41°17′50″N 72°13′26″W / 41.29722°N 72.22389°W / 41.29722; -72.22389
Inner White Top Guilford 41°15′30″N 72°40′13″W / 41.25833°N 72.67028°W / 41.25833; -72.67028
Jack Island Stamford 41°01′51″N 73°32′08″W / 41.03083°N 73.53556°W / 41.03083; -73.53556
Johnson Island Branford 41°14′49″N 72°44′58″W / 41.24694°N 72.74944°W / 41.24694; -72.74944 Part of Thimble Islands
Kelsey Island Branford 41°15′00″N 72°51′11″W / 41.25000°N 72.85306°W / 41.25000; -72.85306
Kings Island Enfield/Suffield 41°57′17″N 72°36′45″W / 41.95472°N 72.61250°W / 41.95472; -72.61250 Connecticut River
Kitts Island Westport 41°06′23″N 73°22′04″W / 41.10639°N 73.36778°W / 41.10639; -73.36778
L'Hammock Island Norwalk 41°03′17″N 73°24′30″W / 41.05472°N 73.40833°W / 41.05472; -73.40833 Part of Norwalk Islands
Lewis Island Branford 41°15′50″N 72°45′48″W / 41.26389°N 72.76333°W / 41.26389; -72.76333
Little Captain Island Greenwich 40°59′19″N 73°36′41″W / 40.98861°N 73.61139°W / 40.98861; -73.61139
Little Hammock Island Norwalk 41°03′15″N 73°24′14″W / 41.05417°N 73.40389°W / 41.05417; -73.40389 Part of Norwalk Islands
Little Tavern Island Norwalk 41°03′47″N 73°25′11″W / 41.06306°N 73.41972°W / 41.06306; -73.41972 Part of Norwalk Islands
Long Island Stratford 41°13′05″N 73°06′48″W / 41.21806°N 73.11333°W / 41.21806; -73.11333 Housatonic River
Lord Island East Haddam 41°26′10″N 72°27′04″W / 41.43611°N 72.45111°W / 41.43611; -72.45111 Connecticut River
Lovers Island Branford 41°15′17″N 72°49′52″W / 41.25472°N 72.83111°W / 41.25472; -72.83111
Lyddy Island Groton 41°19′53″N 71°56′47″W / 41.33139°N 71.94639°W / 41.33139; -71.94639
Major Island Stonington 41°21′36″N 71°50′18″W / 41.36000°N 71.83833°W / 41.36000; -71.83833 Pawcatuck River
Marine Island Branford 41°14′50″N 72°45′02″W / 41.24722°N 72.75056°W / 41.24722; -72.75056 Part of Thimble Islands
Marvin Island Old Lyme 41°17′58″N 72°20′13″W / 41.29944°N 72.33694°W / 41.29944; -72.33694 Connecticut River
Mason's Island Stonington 41°19′58″N 71°58′01″W / 41.33278°N 71.96694°W / 41.33278; -71.96694
Menunketesuck Island Westbrook 41°15′51″N 72°27′51″W / 41.26417°N 72.46417°W / 41.26417; -72.46417
Mine Island Meriden 41°33′23″N 72°49′37″W / 41.55639°N 72.82694°W / 41.55639; -72.82694 Merimere Reservoir
Minnie Island Montville 41°30′21″N 72°13′19″W / 41.50583°N 72.22194°W / 41.50583; -72.22194 Gardner Lake
Money Island Branford 41°14′58″N 72°45′06″W / 41.24944°N 72.75167°W / 41.24944; -72.75167 Part of the Thimble Islands
Mouse Island Groton 41°18′54″N 71°59′29″W / 41.31500°N 71.99139°W / 41.31500; -71.99139
Ned Island Darien 41°02′51″N 73°28′33″W / 41.04750°N 73.47583°W / 41.04750; -73.47583
Nells Island Milford 41°11′05″N 73°06′58″W / 41.18472°N 73.11611°W / 41.18472; -73.11611 Charles E. Wheeler Wildlife Management Area
North Brother East Lyme 41°17′34″N 72°14′41″W / 41.29278°N 72.24472°W / 41.29278; -72.24472
Nott Island Old Lyme 41°21′00″N 72°22′21″W / 41.35000°N 72.37250°W / 41.35000; -72.37250 Connecticut River
Oak Island New Milford 41°31′33″N 73°26′32″W / 41.52583°N 73.44222°W / 41.52583; -73.44222 Candlewood Lake
Outer Island Branford 41°14′31″N 72°45′37″W / 41.24194°N 72.76028°W / 41.24194; -72.76028 Part of Thimble Islands
Paquabaug Roxbury 41°33′25″N 73°19′49″W / 41.55694°N 73.33028°W / 41.55694; -73.33028 Shepaug River
Peach Island Norwalk 41°04′58″N 73°24′19″W / 41.08278°N 73.40528°W / 41.08278; -73.40528 In Norwalk Harbor
Peacock Island Stratford 41°12′43″N 73°06′55″W / 41.21194°N 73.11528°W / 41.21194; -73.11528 Housatonic River
Peagscomsuck Island Canterbury 41°40′25″N 71°57′11″W / 41.67361°N 71.95306°W / 41.67361; -71.95306 Quinebaug River
Pelican Island Greenwich 41°00′31″N 73°35′05″W / 41.00861°N 73.58472°W / 41.00861; -73.58472
Pine Island Groton 41°18′48″N 72°03′30″W / 41.31333°N 72.05833°W / 41.31333; -72.05833
Pine Island New Fairfield 41°28′20″N 73°26′44″W / 41.47222°N 73.44556°W / 41.47222; -73.44556 Candlewood Lake
Pope's Flat Stratford 41°13′10″N 73°06′37″W / 41.21944°N 73.11028°W / 41.21944; -73.11028 Housatonic River
Pot Island Branford 41°14′53″N 72°45′17″W / 41.24806°N 72.75472°W / 41.24806; -72.75472 Part of Thimble Islands
Potato Island Branford 41°15′23″N 72°45′29″W / 41.25639°N 72.75806°W / 41.25639; -72.75806 Part of Thimble Islands
Powder Island New London 41°20′24″N 72°05′32″W / 41.34000°N 72.09222°W / 41.34000; -72.09222 Thames River
Ram Island Stonington 41°18′48″N 71°58′44″W / 41.31333°N 71.97889°W / 41.31333; -71.97889
Rat Island Lyme 41°21′15″N 72°21′40″W / 41.35417°N 72.36111°W / 41.35417; -72.36111 Connecticut River
Rich Island Greenwich 41°00′11″N 73°38′38″W / 41.00306°N 73.64389°W / 41.00306; -73.64389
Rich Island East Haddam 41°26′20″N 72°27′07″W / 41.43889°N 72.45194°W / 41.43889; -72.45194 Connecticut River
Rock Island Stonington 41°19′50″N 71°56′04″W / 41.33056°N 71.93444°W / 41.33056; -71.93444
Rock Island Bridgewater 41°31′26″N 73°26′16″W / 41.52389°N 73.43778°W / 41.52389; -73.43778 Candlewood Lake
Rogers Island Branford 41°15′33″N 72°45′46″W / 41.25917°N 72.76278°W / 41.25917; -72.76278 Part of Thimble Islands
Saint Helena Island Branford 41°15′50″N 72°46′15″W / 41.26389°N 72.77083°W / 41.26389; -72.77083
Salt Island Westbrook 41°16′31″N 72°26′30″W / 41.27528°N 72.44167°W / 41.27528; -72.44167
Sandy Hammock Norwalk 41°03′49″N 73°24′27″W / 41.06361°N 73.40750°W / 41.06361; -73.40750 Part of Norwalk Islands
Sandy Point Stonington 41°19′52″N 71°53′47″W / 41.33111°N 71.89639°W / 41.33111; -71.89639 Extends into Rhode Island
Scraggy Island East Hampton 41°35′59″N 72°30′11″W / 41.59972°N 72.50306°W / 41.59972; -72.50306 Pocotopaug Lake
Sedge Island Branford 41°14′54″N 72°48′39″W / 41.24833°N 72.81083°W / 41.24833; -72.81083
Shea Island Norwalk 41°03′36″N 73°24′08″W / 41.06000°N 73.40222°W / 41.06000; -73.40222 Part of Norwalk Islands
Sheffield Island Norwalk 41°03′05″N 73°24′58″W / 41.05139°N 73.41611°W / 41.05139; -73.41611 Part of Norwalk Islands
Sherwood Island Westport 41°06′53″N 73°19′51″W / 41.11472°N 73.33083°W / 41.11472; -73.33083
Shore Island Greenwich 41°00′00″N 73°38′38″W / 41.00000°N 73.64389°W / 41.00000; -73.64389
Sixpenny Island Groton 41°20′03″N 71°58′49″W / 41.33417°N 71.98028°W / 41.33417; -71.98028
Smith Island Branford 41°15′20″N 72°44′23″W / 41.25556°N 72.73972°W / 41.25556; -72.73972 Part of Thimble Islands
South Brother East Lyme 41°17′22″N 72°14′22″W / 41.28944°N 72.23944°W / 41.28944; -72.23944
Spectacle Island Branford 41°14′45″N 72°48′15″W / 41.24583°N 72.80417°W / 41.24583; -72.80417
Sprite Island Westport 41°05′23″N 73°22′52″W / 41.08972°N 73.38111°W / 41.08972; -73.38111
Stone Island Clinton 41°15′13″N 72°30′47″W / 41.25361°N 72.51306°W / 41.25361; -72.51306
Stony Island East Haven 41°14′24″N 72°51′48″W / 41.24000°N 72.86333°W / 41.24000; -72.86333
Sumac Island Branford 41°14′48″N 72°48′35″W / 41.24667°N 72.80972°W / 41.24667; -72.80972
Tavern Island Norwalk 41°03′38″N 73°25′16″W / 41.06056°N 73.42111°W / 41.06056; -73.42111 Part of Norwalk Islands
Thatchbed Island Essex 41°20′47″N 72°23′00″W / 41.34639°N 72.38333°W / 41.34639; -72.38333 Connecticut River
The Plans Norwalk 41°03′10″N 73°24′17″W / 41.05278°N 73.40472°W / 41.05278; -73.40472 Part of Norwalk Islands
Connected by sandbar to Shea and Sheffield islands
Thistle Island Sherman 41°33′26″N 73°28′50″W / 41.55722°N 73.48056°W / 41.55722; -73.48056 Candlewood Lake
Tree Hammock Norwalk 41°03′52″N 73°24′18″W / 41.06444°N 73.40500°W / 41.06444; -73.40500 Part of Norwalk Islands
Tree Island (Unofficial Name) Wolcott 41° 38' 18" N 72° 57' 56" W Cedar Lake
Turks Island East Windsor 41°53′41″N 72°37′13″W / 41.89472°N 72.62028°W / 41.89472; -72.62028 Connecticut River
Tuxis Island Madison 41°15′57″N 72°36′06″W / 41.26583°N 72.60167°W / 41.26583; -72.60167
Tweed Island Greenwich 41°00′31″N 73°36′58″W / 41.00861°N 73.61611°W / 41.00861; -73.61611
Twin Islands East Hampton 41°35′37″N 72°30′15″W / 41.59361°N 72.50417°W / 41.59361; -72.50417 Pocotopaug Lake
Twotree Island Waterford 41°17′40″N 72°09′09″W / 41.29444°N 72.15250°W / 41.29444; -72.15250
Umbrella Island Branford 41°14′59″N 72°50′31″W / 41.24972°N 72.84194°W / 41.24972; -72.84194
Walden Island Preston 41°28′07″N 72°04′04″W / 41.46861°N 72.06778°W / 41.46861; -72.06778 Thames River
Waterford Island East Lyme 41°18′57″N 72°10′42″W / 41.31583°N 72.17833°W / 41.31583; -72.17833
Watts Island East Lyme 41°17′56″N 72°13′13″W / 41.29889°N 72.22028°W / 41.29889; -72.22028
Wayland Island Branford 41°15′12″N 72°44′38″W / 41.25333°N 72.74389°W / 41.25333; -72.74389 Part of Thimble Islands
Wee Captain Island Greenwich 40°59′25″N 73°36′32″W / 40.99028°N 73.60889°W / 40.99028; -73.60889
West Crib Branford 41°15′06″N 72°45′18″W / 41.25167°N 72.75500°W / 41.25167; -72.75500 Part of Thimble Islands
Wheeler Island Branford 41°15′35″N 72°45′09″W / 41.25972°N 72.75250°W / 41.25972; -72.75250
Wilcox Island Middletown
Portland
Cromwell
41°34′29″N 72°38′56″W / 41.57472°N 72.64889°W / 41.57472; -72.64889 Connecticut River
Wilson Head Greenwich 41°00′01″N 73°38′25″W / 41.00028°N 73.64028°W / 41.00028; -73.64028
Wintergreen Island Winchester 41°54′29″N 73°05′41″W / 41.90806°N 73.09472°W / 41.90806; -73.09472 Highland Lake
Wood Island Norwalk 41°03′23″N 73°24′18″W / 41.05639°N 73.40500°W / 41.05639; -73.40500 Part of Norwalk Islands
Wooster Island Orange 41°16′50″N 73°04′58″W / 41.28056°N 73.08278°W / 41.28056; -73.08278 Housatonic River