Description:Jeff Colby, Portland Jeff Colby jeffredi gmail. He had been a dentist in Sierra Madre and retired for health reasons to the island. He lived on Agate. Marilyn Smith married my Dad after Smitty passed away and they had many happy years together until my Dad passed away at He saw lots of changes to the area and would have enjoyed your site. My mother and her brother spent their summers there, sailing and swimming, then brought the next generation along as we arrived. To this day, I look back on those days as some of my best memories and Balboa as paradise on earth for teens.