undeveloped acre island lower connecticut river town connecticut united_states originally tribe island reserved use square mile km2 land sale english colonists 19th century island fishing farming early 20th century saw place public recreation purchased island state park park accessible boat recommended activities boating fishing history english settlers connecticut colony originally named island erroneously believed miles north mouth original english settlement area called thirty mile island plantation area square miles km2 land including island sold tribe english settlers coats natives reserved right use island sale little documentation exists today tribe lived island surrounding area selling rest land recorded deeds tribe land sale remaining parcels land sold close 18th century island important fishing locations island listed acres area expected increase size following construction pier rods north island caused accumulation sand head island island currently listed acres size 19th century fishing companies operated island constructed piers island grazing cattle farming corn records late 19th century indicate area annually island popular recreational area private events beginning 20th century island purchased state park according legend captain buried treasure island found activities home large number bird species especially annual suitable bird banding research activities taken place island recommended activities boating fishing fishing historic use island centuries ago access island cross parking area fees northern island beach fragile support heavy island significant poison ivy nearest access point state park boat launch features chemical toilets parking
Haddam Island State Park