Mark Thomas Groenstein Obituary
We bid farewell to Mark Thomas Groenstein of Nantucket, Massachusetts, whose journey of life gracefully concluded on April 29, 2025. Mark Thomas touched countless lives with warmth and kindness, leaving behind cherished memories that will forever echo in hearts. Leave a sympathy message to the family on the memorial page of Mark Thomas Groenstein to pay them a last tribute.
As we bid farewell to this cherished soul, solace is taken in the memories held dear — the laughter shared, the wisdom imparted, the moments of quiet reflection in their presence. Though Mark Thomas may no longer walk among us, his spirit lives on in the echoes of his kindness, the warmth of his embrace, and the light of his enduring love.
He is survived by: his wife Alison Potts Groenstein; his child Ryan Groenstein; his granddaughter Libby Groenstein; his children-in-law, Beau King and Angela Botzet; his parents, Karen Groenstein and Ted Groenstein; his brother Eric Groenstein (Heather Groenstein); and his niece Sophie Groenstein.
In lieu of flowers, donations can be made to The Nantucket Preservation Trust or The Nantucket Conservation Foundation.