Estuary Council of Seniors Estuary Council of Seniors Senior Advocacy, Senior Care, Senior Programs ECSI is a community resource for the nine‐town Estuary region’s residents over 50 years old providing nutrition, transportation, health support services, education opportunities, and socialization. 220 Main Street Old Saybrook State: CT Zip: 06443 (860) 388-1611 ecsenior.org Fax: (860) 388-6770 director@ecsenior.org Send Message to listing owner Name Email Message