| NUMBER | NAME | COUNTY | LAT | LON |
| CT02 | Andrews Island | New Haven | 411548N | 0724559W |
| CT03 | Andrews Island | New London | 412000N | 0715723W |
| CT03 | Barn Island | New London | 411946N | 0715208W |
| CT02 | Bear Island | New Haven | 411529N | 0724423W |
| CT02 | Beers Island | New Haven | 411525N | 0724440W |
| CT01 | Beers Rocks | Fairfield | 410351N | 0732245W |
| CT02 | Belden Island | New Haven | 411547N | 0724544W |
| CT01 | Bell Island | Fairfield | 410330N | 0732605W |
| CT07 | Betts Island | Fairfield | 410413N | 0732331W |
| CT02 | Big Boil | New Haven | 411407N | 0725409W |
| CT02 | Big Indian | New Haven | 411456N | 0724018W |
| CT02 | Bishop Rock | New Haven | 411514N | 0724821W |
| CT03 | Black Rock | New London | 411835N | 0721041W |
| CT03 | Black Rock | New London | 411900N | 0720421W |
| CT02 | Black Rock | New Haven | 411603N | 0725415W |
| CT03 | Blackboys | New London | 411712N | 0721332W |
| CT02 | Blackstone Rocks | New Haven | 411533N | 0724633W |
| CT01 | Bluff Island | Fairfield | 410038N | 0733557W |
| CT01 | Bold Rock | Fairfield | 410149N | 0732935W |
| CT01 | Bowers Island | Fairfield | 405945N | 0733806W |
| CT02 | Bowman Rock | New Haven | 411534N | 0724627W |
| CT04 | Brockway Island | Middlesex | 412224N | 0722237W |
| CT01 | Brush Island | Fairfield | 410038N | 0733650W |
| CT01 | Brush Island | Fairfield | 410301N | 0732938W |
| CT02 | Burr Island | New Haven | 411548N | 0724519W |
| CT01 | Butlers Island | Fairfield | 410328N | 0732659W |
| CT05 | Calf Islands | Fairfield | 405930N | 0733825W |
| CT01 | Calf Pasture Island | Fairfield | 410457N | 0732303W |
| CT03 | Calves Island | New London | 411935N | 0722043W |
| CT01 | Candlewood Isle | Fairfield | 412927N | 0732724W |
| CT01 | Candlewood Isle | Fairfield | 412852N | 0732717W |
| CT01 | Canfield Island | Fairfield | 410549N | 0732300W |
| CT01 | Carting Island | Fairfield | 411248N | 0730649W |
| CT02 | Cat Island | New Haven | 411515N | 0724422W |
| CT01 | Cedar Hammock | Fairfield | 410410N | 0732506W |
| CT04 | Cedar Island | Litchfield | 413143N | 0732633W |
| CT04 | Cedar Island | Middlesex | 411557N | 0723134W |
| CT02 | Cedar Island | New Haven | 411632N | 0723852W |
| CT02 | Cedar Island | New Haven | 411530N | 0724541W |
| CT02 | Chaffinch Island | New Haven | 411554N | 0724017W |
| CT01 | Channel Rock | Fairfield | 405907N | 0733914W |
| CT02 | Charles Island | New Haven | 411127N | 0730319W |
| CT02 | Chimneys, The | New Haven | 411411N | 0725345W |
| CT07 | Chimon Island | Fairfield | 410357N | 0732332W |
| CT01 | Chimon Rock | Fairfield | 410400N | 0732255W |
| CT02 | Clam Island | New Haven | 411451N | 0724856W |
| CT04 | Club Island | Litchfield | 415402N | 0730545W |
| CT07 | Cockenoe Island | Fairfield | 410501N | 0732120W |
| CT01 | Contentment Island | Fairfield | 410318N | 0732726W |
| CT06 | Copps Island | Fairfield | 410331N | 0732315W |
| CT01 | Copps Rocks | Fairfield | 410333N | 0732252W |
| CT03 | Cormorant Rock | New London | 411800N | 0720604W |
| CT01 | Cove Rock | Fairfield | 410032N | 0733520W |
| CT01 | Cove Rocks | Fairfield | 410040N | 0732955W |
| CT01 | Cows, The | Fairfield | 410029N | 0733126W |
| CT01 | Crow Island | Fairfield | 410340N | 0732328W |
| CT04 | Curatole Island | Litchfield | 415246N | 0730239W |
| CT02 | Cut in Two Island | New Haven | 411530N | 0724447W |
| CT02 | Darrow Rocks | New Haven | 411447N | 0725127W |
| CT02 | Davis Island | New Haven | 411520N | 0724446W |
| CT01 | Deer Island | Fairfield | 413214N | 0732752W |
| CT04 | Deer Island | Litchfield | 414148N | 0731344W |
| CT02 | Democrat Rock | New Haven | 411508N | 0725032W |
| CT02 | Dick Rock | New Haven | 411405N | 0725403W |
| CT02 | Dick Rocks | New Haven | 411502N | 0724550W |
| CT01 | Diving Island | Fairfield | 410048N | 0733600W |
| CT03 | Dodges Island | New London | 411944N | 0715719W |
| CT01 | Dog Island | Fairfield | 410330N | 0732437W |
| CT02 | Dogfish Island | New Haven | 411525N | 0724451W |
| CT04 | Duck Island | Middlesex | 411522N | 0722832W |
| CT01 | Dunder Rock | Fairfield | 410438N | 0732057W |
| CT04 | Dunks Island | Middlesex | 411648N | 0722256W |
| CT02 | East Crib | New Haven | 411511N | 0724514W |
| CT02 | East Indies Rocks | New Haven | 411428N | 0725138W |
| CT02 | East Stooping Bush Island | New Haven | 411504N | 0724452W |
| CT01 | East White Rock | Fairfield | 410455N | 0732251W |
| CT03 | Elihu Island | New London | 412012N | 0715316W |
| CT03 | Enders Island | New London | 411920N | 0715748W |
| CT03 | Eustasia Island | New London | 412332N | 0722515W |
| CT02 | Falkner Island | New Haven | 411241N | 0723920W |
| CT01 | Farwells Island | Fairfield | 410008N | 0733841W |
| CT08 | Fayerweather Island | Fairfield | 410835N | 0731300W |
| CT01 | Fish Islands | Fairfield | 410254N | 0732728W |
| CT03 | Flat Rock | New London | 411815N | 0720900W |
| CT01 | Flathead Rocks | Fairfield | 410123N | 0733246W |
| CT02 | Foot Rocks | New Haven | 411507N | 0724755W |
| CT02 | Foskett Island | New Haven | 411529N | 0724242W |
| CT02 | Fowler Island | New Haven | 411413N | 0730610W |
| CT03 | Fox Island | New London | 411824N | 0720940W |
| CT02 | Frisbie Island | New Haven | 411546N | 0724520W |
| CT01 | Game Cock Island | Fairfield | 410005N | 0733841W |
| CT03 | Gates Island | New London | 411855N | 0715803W |
| CT04 | Gildersleeve Island | Middlesex | 413621N | 0723654W |
| CT03 | Goat Island | New London | 412027N | 0715309W |
| CT04 | Goodyear Island | Litchfield | 413216N | 0732417W |
| CT03 | Goose Island | New London | 412010N | 0722058W |
| CT01 | Goose Island | Fairfield | 411139N | 0730703W |
| CT01 | Goose Island | Fairfield | 410100N | 0733559W |
| CT01 | Goose Island | Fairfield | 410418N | 0732219W |
| CT02 | Goose Island | New Haven | 411228N | 0724021W |
| CT02 | Goose Rocks | New Haven | 411447N | 0724304W |
| CT01 | Gorham Island | Fairfield | 410838N | 0732149W |
| CT02 | Governor Island | New Haven | 411517N | 0724523W |
| CT04 | Governors Island | Windham | 414730N | 0720505W |
| CT02 | Grass Island | New Haven | 411604N | 0723929W |
| CT01 | Grass Island | Fairfield | 410135N | 0733224W |
| CT01 | Grassy Hammock Rocks | Fairfield | 410438N | 0732303W |
| CT01 | Grassy Island | Fairfield | 410413N | 0732302W |
| CT01 | Grassy Rock | Fairfield | 405926N | 0733851W |
| CT01 | Great Captain Island | Fairfield | 405856N | 0733745W |
| CT01 | Great Captain Rocks | Fairfield | 405902N | 0733901W |
| CT03 | Great Island | New London | 411717N | 0721958W |
| CT01 | Great Island | Fairfield | 410308N | 0732818W |
| CT04 | Great Rocks | Middlesex | 411609N | 0722733W |
| CT01 | Green Island | Fairfield | 413253N | 0732809W |
| CT02 | Green Island | New Haven | 411523N | 0724740W |
| CT02 | Green Island | New Haven | 411519N | 0725037W |
| CT01 | Greenway Island | Fairfield | 410212N | 0733022W |
| CT01 | Greenwich Island | Fairfield | 410044N | 0733439W |
| CT03 | Griswold Island | New London | 411740N | 0721329W |
| CT02 | Gull Rock | New Haven | 411602N | 0723555W |
| CT02 | Gull Rocks | New Haven | 411448N | 0725040W |
| CT04 | Halftide Rock | Middlesex | 411540N | 0722401W |
| CT03 | Hall Island | New London | 411939N | 0715106W |
| CT02 | Hatch Rock | New Haven | 411437N | 0724219W |
| CT01 | Hay Island | Fairfield | 410250N | 0732818W |
| CT01 | Haycock Rock | Fairfield | 410450N | 0732130W |
| CT02 | Hen Island | New Haven | 411514N | 0724450W |
| CT01 | Hiding Rocks | Fairfield | 410237N | 0732533W |
| CT02 | High Island | New Haven | 411457N | 0724530W |
| CT03 | High Rock | New London | 411821N | 0720926W |
| CT01 | Highwater Rock | Fairfield | 410107N | 0733231W |
| CT01 | Hitchcock Rock | Fairfield | 410038N | 0733614W |
| CT03 | Hobs Island | New London | 411919N | 0720435W |
| CT02 | Hog Island | New Haven | 411855N | 0730455W |
| CT02 | Hookers Rock | New Haven | 411439N | 0724703W |
| CT02 | Horse Island | New Haven | 411528N | 0724225W |
| CT02 | Horse Island | New Haven | 411440N | 0724529W |
| CT01 | Horse Island | Fairfield | 410050N | 0733619W |
| CT02 | House Chimney Island | New Haven | 411541N | 0724538W |
| CT01 | Hoyt Island | Fairfield | 410426N | 0732511W |
| CT03 | Huntley Island | New London | 411750N | 0721326W |
| CT01 | Inner Cove Rock | Fairfield | 410047N | 0733455W |
| CT02 | Inner White Top | New Haven | 411530N | 0724015W |
| CT03 | Intrepid Rock | New London | 411757N | 0720017W |
| CT01 | Jack Island | Fairfield | 410151N | 0733210W |
| CT02 | Jefferson Rock | New Haven | 411439N | 0724203W |
| CT02 | Jeffrey Rock | New Haven | 411448N | 0724911W |
| CT03 | Johns Rock | New London | 411713N | 0721457W |
| CT02 | Johnson Island | New Haven | 411449N | 0724500W |
| CT01 | Jones Rocks | Fairfield | 405920N | 0733805W |
| CT10 | Kelsey Island | New Haven | 411500N | 0725113W |
| CT04 | Kings Island | Hartford | 415717N | 0723647W |
| CT01 | Kitts Island | Fairfield | 410623N | 0732206W |
| CT01 | L'Hammock Island | Fairfield | 410317N | 0732432W |
| CT02 | Lewis Island | New Haven | 411550N | 0724550W |
| CT04 | Lime Kiln, The | Litchfield | 413553N | 0732641W |
| CT03 | Little Rock | New London | 411809N | 0721029W |
| CT01 | Little Tavern Island | Fairfield | 410347N | 0732513W |
| CT04 | Lobster Rock | Middlesex | 411614N | 0722653W |
| CT02 | Lobster Rock | New Haven | 411509N | 0724001W |
| CT01 | Long Island | Fairfield | 411305N | 0730650W |
| CT03 | Long Rock | New London | 411729N | 0721340W |
| CT03 | Long Rock | New London | 411832N | 0720541W |
| CT04 | Long Rock | Middlesex | 411622N | 0722546W |
| CT04 | Lord Island | Middlesex | 412610N | 0722706W |
| CT02 | Lovers Island | New Haven | 411517N | 0724954W |
| CT03 | Lyddy Island | New London | 411953N | 0715649W |
| CT03 | Major Island | New London | 412136N | 0715020W |
| CT01 | Manresa Island | Fairfield | 410429N | 0732438W |
| CT02 | Marine Island | New Haven | 411450N | 0724504W |
| CT02 | Mary Rock | New Haven | 411404N | 0725359W |
| CT12 | Mason Island | New London | 411958N | 0715803W |
| CT04 | Menunketesuck Island | Middlesex | 411551N | 0722753W |
| CT02 | Middle Rock | New Haven | 411407N | 0725428W |
| CT02 | Middle Rock | New Haven | 411505N | 0724659W |
| CT03 | Middle Rock | New London | 411808N | 0720601W |
| CT03 | Mink Island | New London | 412056N | 0722114W |
| CT03 | Minnie Island | New London | 413021N | 0721319W |
| CT02 | Money Island | New Haven | 411458N | 0724508W |
| CT02 | Moon Rock | New Haven | 411436N | 0724835W |
| CT03 | Mouse Island | New London | 411854N | 0715931W |
| CT02 | Narrows Island | New Haven | 411529N | 0724352W |
| CT01 | Nash Island | Fairfield | 410231N | 0732918W |
| CT02 | Nells Island | New Haven | 411105N | 0730700W |
| CT03 | North Brother | New London | 411734N | 0721443W |
| CT02 | North Rocks | New Haven | 411244N | 0724004W |
| CT01 | Norwalk Islands | Fairfield | 410347N | 0732405W |
| CT03 | Nott Island | New London | 412100N | 0722223W |
| CT03 | Noyes Rock | New London | 411916N | 0715525W |
| CT04 | Oak Island | Litchfield | 413133N | 0732634W |
| CT01 | Old Baldy | Fairfield | 410243N | 0732533W |
| CT02 | Old Cobble Rocks | New Haven | 411440N | 0724501W |
| CT01 | Otter Rocks | Fairfield | 410001N | 0733812W |
| CT02 | Outer Island | New Haven | 411431N | 0724539W |
| CT02 | Outer Thimble | New Haven | 411427N | 0724531W |
| CT02 | Outer White Top | New Haven | 411506N | 0723957W |
| CT01 | Peach Island | Fairfield | 410458N | 0732421W |
| CT01 | Peacock Island | Fairfield | 411243N | 0730657W |
| CT01 | Pecks Rock | Fairfield | 410049N | 0733612W |
| CT01 | Pelican Island | Fairfield | 410031N | 0733507W |
| CT03 | Perch Island | New London | 411934N | 0715154W |
| CT03 | Pine Island | New London | 411848N | 0720332W |
| CT01 | Pine Island | Fairfield | 412820N | 0732646W |
| CT06 | Plains, The | Fairfield | 410310N | 0732419W |
| CT03 | Planet Rock | New London | 411839N | 0715933W |
| CT01 | Popes Island | Fairfield | 411310N | 0730639W |
| CT02 | Pork Rocks | New Haven | 411508N | 0724638W |
| CT02 | Pot Island | New Haven | 411453N | 0724519W |
| CT02 | Potato Island | New Haven | 411523N | 0724531W |
| CT03 | Poverty Island | New London | 411653N | 0722000W |
| CT03 | Powder Island | New London | 412024N | 0720534W |
| CT01 | Pratt Island One | Fairfield | 410234N | 0732929W |
| CT01 | Pratt Island Two | Fairfield | 410230N | 0732922W |
| CT03 | Quinnipeag Rocks | New London | 411907N | 0720517W |
| CT03 | Ram Island | New London | 411848N | 0715846W |
| CT03 | Rapid Rock | New London | 411717N | 0720608W |
| CT03 | Rat Island | New London | 412115N | 0722142W |
| CT01 | Raymond Rocks | Fairfield | 410420N | 0732359W |
| CT02 | Red Point Rocks | New Haven | 411449N | 0724544W |
| CT01 | Red Rock | Fairfield | 410022N | 0733644W |
| CT04 | Rich Island | Middlesex | 412620N | 0722709W |
| CT01 | Rich Island | Fairfield | 410011N | 0733840W |
| CT03 | Rock Island | New London | 411950N | 0715606W |
| CT04 | Rock Island | Litchfield | 413126N | 0732618W |
| CT02 | Rogers Island | New Haven | 411533N | 0724548W |
| CT01 | Round Island | Fairfield | 410033N | 0733729W |
| CT02 | Round Rock | New Haven | 411410N | 0725305W |
| CT02 | Saint Helena Island | New Haven | 411550N | 0724617W |
| CT04 | Salt Island | Middlesex | 411631N | 0722632W |
| CT01 | Salt Rock | Fairfield | 410037N | 0733549W |
| CT01 | Sandy Hammock | Fairfield | 410349N | 0732429W |
| CT03 | Sandy Point | New London | 411952N | 0715349W |
| CT02 | Savin Rock | New Haven | 411455N | 0725733W |
| CT01 | Saw Island | Fairfield | 413608N | 0724247W |
| CT04 | Scraggy Island | Middlesex | 413559N | 0723013W |
| CT03 | Seal Rock | New London | 411743N | 0721354W |
| CT03 | Seal Rocks | New London | 411933N | 0715830W |
| CT02 | Sedge Island | New Haven | 411454N | 0724841W |
| CT01 | Shea Island | Fairfield | 410336N | 0732410W |
| CT01 | Sheep Rocks | Fairfield | 410505N | 0732244W |
| CT01 | Shore Island | Fairfield | 410001N | 0733841W |
| CT03 | Shore Rock | New London | 411813N | 0720558W |
| CT03 | Sixpenny Island | New London | 412003N | 0715851W |
| CT02 | Smith Island | New Haven | 411520N | 0724425W |
| CT03 | South Brother | New London | 411722N | 0721424W |
| CT02 | Spectacle Island | New Haven | 411445N | 0724817W |
| CT01 | Sprite Island | Fairfield | 410523N | 0732254W |
| CT02 | Squaw Rocks | New Haven | 411459N | 0724829W |
| CT04 | Stone Island | Middlesex | 411513N | 0723049W |
| CT02 | Stony Island | New Haven | 411424N | 0725150W |
| CT04 | Strong Island | Litchfield | 415406N | 0730547W |
| CT02 | Sumac Island | New Haven | 411448N | 0724837W |
| CT03 | Swimming Rock | New London | 411839N | 0715917W |
| CT02 | Taunton Rock | New Haven | 411444N | 0724935W |
| CT01 | Tavern Island | Fairfield | 410338N | 0732518W |
| CT04 | Thatchbed Island | Middlesex | 412047N | 0722302W |
| CT09 | Thimbles, The | New Haven | 411502N | 0724517W |
| CT01 | Thistle Island | Fairfield | 413326N | 0732852W |
| CT02 | Three Quarters Rock | New Haven | 411232N | 0723957W |
| CT03 | Threefoot Rock | New London | 411822N | 0721152W |
| CT01 | Tree Hammock | Fairfield | 410352N | 0732420W |
| CT02 | Tuxis Island | New Haven | 411557N | 0723608W |
| CT01 | Tweed Island | Fairfield | 410031N | 0733700W |
| CT03 | Twin Brothers | New London | 411959N | 0715633W |
| CT04 | Twin Islands | Middlesex | 413537N | 0723017W |
| CT02 | Twin Rocks | New Haven | 411454N | 0725730W |
| CT01 | Twomile Island | Fairfield | 411750N | 0730402W |
| CT03 | Twotree Island | New London | 411740N | 0720911W |
| CT02 | Umbrella Island | New Haven | 411459N | 0725033W |
| CT01 | Vincent Island | Fairfield | 410208N | 0733036W |
| CT01 | Wakeman Island | Fairfield | 410744N | 0731514W |
| CT03 | Walden Island | New London | 412807N | 0720406W |
| CT04 | Wannuppee Islands | Litchfield | 413503N | 0732540W |
| CT03 | Waterford Island | New London | 411857N | 0721044W |
| CT11 | Watts Island | New London | 411756N | 0721315W |
| CT02 | Wayland Island | New Haven | 411512N | 0724440W |
| CT02 | West Crib | New Haven | 411506N | 0724520W |
| CT04 | West Rock | Middlesex | 411512N | 0723201W |
| CT03 | Whale Rock | New London | 411851N | 0715920W |
| CT03 | Whaleback Rock | New London | 411841N | 0715908W |
| CT02 | Wheeler Island | New Haven | 411535N | 0724511W |
| CT04 | Wheeler Rock | Middlesex | 411523N | 0723142W |
| CT01 | White Rock | Fairfield | 410402N | 0732429W |
| CT03 | White Rock | New London | 411811N | 0721036W |
| CT03 | White Rock | New London | 411922N | 0715619W |
| CT03 | White Rock | New London | 412013N | 0720531W |
| CT02 | White Top Rock | New Haven | 411528N | 0724628W |
| CT03 | Wigwam Rock | New London | 411901N | 0721146W |
| CT04 | Wilcox Island | Middlesex | 413429N | 0723858W |
| CT02 | Willard Island | New Haven | 411520N | 0723242W |
| CT01 | Wilson Head | Fairfield | 410001N | 0733827W |
| CT04 | Wintergreen Island | Litchfield | 415429N | 0730543W |
| CT01 | Wood Island | Fairfield | 410323N | 0732420W |
| CT01 | Woolsey Rock | Fairfield | 410002N | 0733355W |
| CT02 | Wooster Island | New Haven | 411650N | 0730500W |
| CT01 | Yellow Rock | Fairfield | 410341N | 0732533W |
| CT01 | Yellow Rocks | Fairfield | 410258N | 0732453W |
