Onset Marine Construction

05/07/2026

Built to last.

At Onset Marine Construction, we specialize in high-quality marine construction solutions built with precision, durability, and hands-on leadership from start to finish.

From custom docks and boathouses to bulkheads, dredging, pile driving, and shoreline stabilization — we deliver marine infrastructure designed to perform for years to come.

• Licensed Louisiana Heavy Construction Contractor
• Maritime Insured
• Residential & Commercial Marine Construction
• Safety. Innovation. Integrity.

Serving Louisiana Gulf Coast & surrounding waterways.

📍 St. Charles Parish, Louisiana
📞 985.722.8158
🌐 www.onsetmarineconstruction.com

04/24/2026

We make it look easy… but behind this small piece of the total build, is hours of precision, planning, and experience.

What starts as exposed, messy, and unpredictable turns into a clean, seamless finish—but there’s nothing simple about it. On the water, there’s no room for shortcuts.

This is custom, exact, luxury marine construction—built to last, built to perform, and built the right way the first time.

04/17/2026

Built from the details up—executed at full scale.

No matter the size, every inch meets the same standard.

04/15/2026

The job gets built in weeks.
The discipline, standards, and mindset behind it—that takes years.

04/14/2026

An inside look at our custom waterfront build on the Tchefuncta River. With the substructure nearing completion and backfill underway, this project is about to take shape.

04/10/2026

Exact by design. Custom by craft.
Onset Marine Construction specializes in fully custom waterfront builds, designed and executed to enhance the value, function, and presence of each property with precision and intention.

04/08/2026

Built for the property—not just the plan.
Every waterfront project is different, and the best results come from adapting when it matters. We added a custom deadman wall to ensure this build is as strong, stable, and refined as it should be.

03/28/2026

03/27/2026

There is no margin for error in marine construction.

Every cut, every piece of hardware, every line is executed with intention—because what’s beneath the surface matters just as much as what you see finished above it. Our builds aren’t assembled—they’re engineered, measured, and installed to exact standards that hold up over time and against the elements.

This is the result of discipline in the field, attention to detail at every stage, and a crew that takes pride in doing it right the first time.

No shortcuts. No guesswork. No compromises.

On the water. Built with precision.
Email us to request a physical copy of our brochure.

03/26/2026

Not all marine construction is built the same.

At Onset Marine, every project is executed with precision—from the first pile driven to the final board laid. No shortcuts. No guesswork. Just proven systems, field experience, and craftsmanship that holds up over time.

Our new brochure gives a closer look at what we do best:
✔️ Custom docks & boathouses
✔️ Bulkheads & shoreline stabilization
✔️ Dredging & pile driving

If you’re investing in your waterfront, make sure it’s built right the first time.

📩 Message us to start your project
📧 Prefer a physical copy? Email us and we’ll mail you a brochure

03/20/2026

Not a single board on this deck is random—every cut is intentional, every line is exact.

This is what true custom work looks like. Each PVC board is measured, cut, and placed with precision to fit this layout perfectly—no filler pieces, no shortcuts. Just clean lines, tight seams, and a high-end finish that speaks for itself.

When you’re building over water, there’s no room for “close enough.” Everything has to be right the first time—and that’s exactly how we do it.

Top-tier materials. Exact ex*****on. Fully custom.