It was settled in the 1670s , and its first colonial meeting house was built in Little Haddam in 1704 .
East Haddam was originally part of Haddam , from which it is separated by the Connecticut River .
East Haddam was settled in the 1670s , and East Haddam 's first colonial meeting house was built in Little Haddam in 1704 .
East Haddam was originally part of Haddam , from which it is separated by the Connecticut River .