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Professional Construction Support & Commercial Dive Services
Reliable solutions for commercial marine construction in Fort Lauderdale and surrounding areas.
Welcome to Blackline Marine Group
Blackline Marine Group is a full-service marine dive support construction company based in Fort Lauderdale. We specialize in below the waterline construction, delivering durable, high-performance solutions for commercial, and marinas throughout South Florida.
Our expertise includes underwater inspections, seawall construction support, dredging services, subsea demolition and salvage. With a skilled team and specialized marine equipment, we handle complex waterfront projects with precision, safety, and efficiency.
At Blackline Marine Group, we combine craftsmanship, engineering knowledge, and hands-on marine experience to protect shorelines, strengthen waterfront infrastructure, and build lasting foundations from the seabed up.
Our Core Services
Commercial diving services with surface-supplied capabilities for inspection, reporting and underwater execution.
Marine Asset Maintenance
Our maintenance division provides marine growth removal, piling cleaning, seawall cleaning, and recurring underwater service programs designed to preserve structural condition and support long-term asset performance.
Commercial Dive Services
Led by ADCI-certified professionals, our commercial diving team supports underwater inspections, maintenance, recovery, light construction assistance, and marine service work with disciplined field execution and safety-focused standards.
Underwater Inspection
Our underwater inspection services support marinas, waterfront facilities, docks, seawalls, and piling systems with visual documentation, condition assessment, and reporting to help guide maintenance and repair decisions.
Why Blackline Marine Group
We operate with a field-first approach built around underwater inspection, disciplined execution, and clear reporting so owners and operators can make informed decisions and maintain control of their assets.
Inspection First
We begin with underwater inspection and documentation to establish real conditions, reduce unknowns, and define accurate scope before execution.
Field Execution
Our commercial dive team performs maintenance, inspection support, and underwater service work with controlled processes and consistent jobsite communication.
Documented Results
Every job is backed by visual reporting and condition summaries that support accountability, future planning, and asset management.
Our Process
How We Work
Our process is built around underwater visibility, controlled execution, and clear reporting so every project is based on real conditions and documented results.
Project Review
We gather site details, access, and scope requirements to determine approach.
Underwater Inspection
We assess condition with hands-on inspection and photo documentation.
Defined Scope
We outline required work, recommendations, and execution plan.
Execution
Our dive team performs the work with controlled procedures and clear communication.
Documentation
You receive photo-backed reporting and a summary of work completed.
Ongoing Service
We support recurring maintenance, follow-up work, and future inspections.
Commercial Diving and Marine Construction Support
We support marine contractors, marinas, and waterfront projects through underwater inspection, maintenance, and diving services for docks, seawalls, and piling systems. Our work focuses on accurate condition assessment, controlled execution, and photo-backed reporting to support project progress and long-term asset management.
Inspection-first. Field execution. Documented results.
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Read Our News and Articles
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