Rupert L. “Ren” Nichols Jr., president of Allen Harbor Marine Service in Harwich Port, Mass., died March 28 after battling a long illness. He was 66.

An active and engaged member of the Cape Cod boating and marine community, Nichols was a 48-year “lifetime member” of the U.S. Power Squadrons, where he rose to the rank of Rear Commander. He was likewise a longtime member of the Massachusetts Marine Trades Association and Cape Cod Marine Trades Association, continuously serving on the MMTA’s and CCMTA’s Board of Directors for several decades and as MMTA president from 2000-2002.

After Nichols’ father, Rupert Sr., retired from Allen Harbor Marine Service, Nichols assumed ownership and direction of the expanding boatyard in 1990 and ran the business until his passing in late March of this year.

Nichols is survived by a brother, Donald S. Nichols; a sister, Jane Cartmill; and several cousins. He leaves behind his close friend and caretaker of many years, Ralph Cordeiro, and his canine companion, A.J.