Watermark Navigation Systems

Our full waterfront and marine supply store accessible by water on Paugus Bay, Lake Winnipesaukee.THE NH Lakes Regions #LakeLife HeadquartersOffering a complete line of boating accessories, paddle boards, swim rafts, boat lifts, docks, dive gear, and shorefrontaccessories...to include a wide selection of dock accessories including; slides, flagpoles, swim ladders, cleats, mooringhardware ,mooring whips, dock boxes, boarding steps, and much more...

HistoryOur 32 years of experience and state of the art equipment allow us to provide our customers with start to finish management of all of your waterfront projects big and small. It is what we do! We provide prompt service and are fully insured!SpecialtiesDiversified Marine is a Marine Construction company located in the beautiful Lakes Region of New Hampshire. Our services include wetlands permitting, dredging, docks, breakwaters, walls, beaches, and moorings. We also provide island transport, septic systems, landscaping, drainage, foundations, tree service, water systems, renewable energy and construction management.