4.9 stars from 2,300+ verified reviews

#1 Source for Dock Supplies & Accessories

Dock Builders Supply is your complete dock building source for floats, cleats, dock boxes, piling caps, hardware, bumpers and 10,000+ marine-grade parts. Ships within 1 business day from our USA warehouse, and a real person is one call away. 30+ years of experience guiding customers to the right products, at the right price.

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Over 10,000 marine-grade parts

Free material estimates

Ships within 1 business day from our USA warehouse.

Find your parts fast

From floats to fasteners, Dock Builders Supply gives you everything you need to design, price, and build your own dock - backed by fast shipping from our USA warehouse and a support team that actually picks up.

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Whether it's one part or the whole dock

Suzie ordering a single piling cap and Contractor George speccing a marina buy the same quality parts. So we don't split the catalog — we just give everyone the right path.

Just need one part?

Grab a piling cap, a cleat, or a bumper and check out in 60 seconds. In stock, ships in 1 business day, no account required.

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Building the whole dock?

Email your plan and a specialist will spec every component, run the flotation math, and send a free estimate before you spend a dime.

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Over 10,000 marine-grade parts
Free material estimates
Ships within 1 business day from our USA warehouse.
30 years in business

The ones dock builders keep coming back for.

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30

Years in business

10K+

Products stocked

50+

Shipped to States & 25+ countries

1 biz day

Avg. ship time

What our customers are saying

★★★★★

"We used to spend 3 hours sourcing parts from 4 different vendors. Now it's one order, one shipment, next day. Our whole crew thanks them."

— Carlos V.Marina contractor
★★★★★

"They saved my dock after the hurricane. Had the parts I needed, shipped the next day, and the staff actually knew my project."

— Mike R.Verified purchase
★★★★★

"I've ordered from three different suppliers. These guys are the only ones who followed up to make sure I ordered the right float size."

— Dave T.Verified purchase
★★★★★

"Been a pro contractor for 15 years. This is the only place I order hardware from. Fast, right, and they actually pick up the phone."

— James K.Verified purchase
★★★★★

"Ordered the wrong size float bracket — called in, they caught it before it shipped and swapped it out. I didn't even know there was a problem until it was solved."

— Rachel M.Residential dock build
★★★★★

"The free drawing service alone is worth it. I sent a sketch on a napkin. They sent back a proper materials list and scaled layout. Incredible."

— Tom H.First-time dock builder
★★★★★

"We used to spend 3 hours sourcing parts from 4 different vendors. Now it's one order, one shipment, next day. Our whole crew thanks them."

— Carlos V.Marina contractor
★★★★★

"They saved my dock after the hurricane. Had the parts I needed, shipped the next day, and the staff actually knew my project."

— Mike R.Verified purchase
★★★★★

"I've ordered from three different suppliers. These guys are the only ones who followed up to make sure I ordered the right float size."

— Dave T.Verified purchase
★★★★★

"Been a pro contractor for 15 years. This is the only place I order hardware from. Fast, right, and they actually pick up the phone."

— James K.Verified purchase
★★★★★

"Ordered the wrong size float bracket — called in, they caught it before it shipped and swapped it out. I didn't even know there was a problem until it was solved."

— Rachel M.Residential dock build
★★★★★

"The free drawing service alone is worth it. I sent a sketch on a napkin. They sent back a proper materials list and scaled layout. Incredible."

— Tom H.First-time dock builder

Why dock contractors keep coming back.

Pros reorder. First-timers become regulars. The parts hold — and so does the relationship.

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Marine-Grade EverythingFree EstimatesShips the Next Business DayReal Support — Real People

More of a catalog kinda person?

Let us mail you a print copy!

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Built for what the water throws at it.

Marine-grade. Hot-dipped galvanized. Category deep-dives for the builds that demand the most.

Power pedestals

Power pedestals

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VinylSeawall

Vinyl
Seawall

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UnderwaterFishing Lights

Underwater
Fishing Lights

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FloatingDock Plans

Floating
Dock Plans

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From the people who know docks.

Product guides, build tips, and the occasional story about someone who jumped in after a fish.

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How to Build a Floating Dock: Step-by-Step Guide

September 29, 2026

How to Build a Floating Dock: Step-by-Step Guide

A DIY Guide to building a simple platform dock for your water front property or pond.

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Hold My Beer, I’ve Got This

April 13, 2026

Hold My Beer, I’ve Got This

It usually starts the same way. A fish flashes under the green light. Someone gets confident. Then comes the jump.

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What We’d Buy Before Dock Season

April 13, 2026

What We’d Buy Before Dock Season

The parts that wear out first, the ones worth stocking up on, and a few you didn't know you needed.

Read more

Frequently Asked Questions

Got questions? We've got answers! Find everything you need to know about our products.

Do you offer help choosing the right parts for my dock?

Yes! Our team has decades of experience and can help you select the correct hardware, flotation, ladders, and accessories for your dock. Contact us anytime with details about your setup.

Are all products kept in stock?

Most of our dock hardware and accessories are kept in stock and ship quickly. Larger items such as dock boxes or custom float sizes may require additional processing time.

Do you provide installation guidance?

While we do not install docks, we provide documentation, product guides, and expert recommendations for proper use of all hardware and flotation products.

Can I order custom-sized products?

Certain items—such as piling caps or flotation—can be ordered in specialty sizes. Contact our support team for custom requests.

Do you ship outside the United States?

We currently ship within the United States. For special shipping arrangements, reach out to our customer service team.

How are oversized or heavy items shipped?

Large items—such as dock boxes, floats, and long hardware—may ship via freight. We will contact you if your order requires special handling or delivery coordination.

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Ready to build?

Every dock starts with a parts list. Yours starts here.

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