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At Nemo Marine Group, we are a full service marine construction provider and offer turnkey solutions that hold up to the harshest environments. From private docks to public piers, remote access points to busy marinas. Our team of commercial divers, builders, and heavy marine technicians delivers field-proven results in challenging environments, above and below the surface.
Design, build, and restoration of waterfront structures - including new installations, full rebuilds, storm damage repairs, and structural restorations for both private and public access points.
Construction, reinforcement, and repair of bulkheads, retaining walls, and shoreline protection systems using timber, concrete, or modular materials.
Precision pile driving and removal services using diver-assist methods where needed. We handle timber, steel, or composite piles and perform structural pile bracing, replacement, and cap repairs.
Site assessments, HD video topside & underwater structural inspections, and consultation services for marine construction planning. We assist with permitting strategies and can provide pre-construction and post-project reports.
Safe and compliant demolition of derelict docks, pilings, and other marine structures — including debris removal, over-water containment, and hauling logistics.
Custom-fabricated bracing systems installed by qualified divers to stabilize compromised piles, beams, or platforms in both wet and dry conditions.
We work within local, state, and federal frameworks to ensure all work is permitted, code-compliant, and environmentally responsible.
In-water service, install, adjustment, or restoration of boatlift systems — including cables, brackets, bunks, hydraulics, and float tanks.
Your dock or marine structure is a long-term investment — one that takes a beating from tides, weather, and time. Whether you're a homeowner, port manager, or agency, poorly maintained or outdated marine infrastructure poses safety risks, legal liability, and lost revenue. We build and repair with durability, environmental responsibility, and cost-efficiency in mind.
Headquartered in Seattle, we deliver marine construction services across Washington State — from urban waterfronts to rugged, hard-to-reach shorelines. Whether you're rebuilding a private dock, reinforcing public infrastructure, or breaking ground on something new, our crew shows up ready to build it right — and build it to last.
Ready to get started? Contact us today to schedule a site visit, request a quote, or talk through your project goals with our team.
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