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BUILT BY

QUALITY.

Professional marine and excavating solutions you can count on.

OUR SERVICES

BUILT ON

EXPERIENCE.

BUILT TO LAST

QUALITY WORKMANSHIP

THAT STANDS THE TEST OF TIME.

Every project is completed with safety as our top priority and built to withstand the elements for years to come.

VIEW OUR WORK
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WHAT WE DO

LAND. WATER. 

DONE RIGHT.

From shoreline construction and dock installation to excavation and site preparation, Manthau Excavating and Marine delivers reliable results with precision and care.

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MARINE CONSTRUCTION

Docks, boathouses,

marine construction,

and more.

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EXCAVATION

Site preparation,

land clearing,

and excavating.

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SHORELINE

PROTECTION

Rock placement, breakwalls, and erosion control.

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SERVING LANDFORMS AND WATERWAYS

Proudly serving residential, commercial, and municipal clients across the region with dependable marine and excavating services.

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