About LPA

Since 1962, we've helped sustain life along the New England coast — providing a wide range of essential services including barging and transport, excavation and infrastructure, aggregate and materials, and shoreline stabilization. We take pride in being experienced, innovative and — above all — reliable problem solvers for our island communities. We love where we live and and we're dedicated to keeping New England's islands thriving for generations to come.

Our history

When Lionel Plante Sr. moved to Peaks Island in 1962, he soon discovered he wasn't cut out for the quiet island life he had imagined. Recognizing a need within the island community, he opened a laundromat — and from that modest beginning sowed the seeds for what is now one of the oldest continuously operating business on the islands.

Guided by a spirit of service, and endlessly inventive, Lionel and his family kept answering the community's needs. They launched a barging service — then fuel delivery and a gas station, a marina, an excavation business, and the first dedicated water taxi.

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With decades of hard work and a deep sense of community spirit, Lionel Plante Associates has become a multi-generational business that provides a wide array of essential marine and coastal services. Today, we proudly serve municipalities, utilities like the Portland Water District and CMP, government agencies including the U.S. Army Corps of Engineers and the Coast Guard, and countless businesses and homeowners all along the coast of Maine and Hew Hampshire.