How Much Does it Cost to Make a Floating Dock?

Floating dock prices vary greatly depending on the size, materials, and design. Generally, you can expect to pay anywhere from $2,600 to $21,000.

A floating dock is the most straightforward DIY dock setup to install. It doesn’t require setting posts, piling concrete blocks, or underwater preparation.

Best of all, floating docks are easy to customize and relocate as needed. If a piece of the dock is damaged, you can simply replace the affected dock floats, saving you time and money.

But how much does it cost to make a floating dock? Here are some factors you’ll need to consider to budget appropriately. 

Floating Dock Cost

Many factors affect a floating dock's final price tag; materials, size, and overall design impact how much your floating dock will cost. 

Dock Materials

The materials you choose to build your floating dock will determine how much your floating dock will cost. Wood is generally the cheapest, but it may not last long.

The weight of your materials will also make your dock more expensive because you will need more dock floats to hold it. Again, wood is the lightest, but it won’t last as long as metal materials like aluminum or polypropylene. 

Lowest price to highest: Wood, aluminum, polypropylene

Lightest weight to heaviest: Polypropylene, aluminum, wood

Most to least durable: Polypropylene, aluminum, wood


Our Titan material decks, or polypropylene, will give you the longest-lasting dock. However, it costs more than wood, so you may have to factor that into your cost calculations.

If it’s in your budget, stick with polypropylene as it is lighter and more durable. Otherwise, wood or aluminum will be better if you have a tighter budget.

Other materials you will need include:

  • Dock floats
  • Dock frame floats
  • Bumper floats
  • Hardware for assembly 
  • Ladders (optional)
  • Roofing materials (optional)

Dock Size

Now that you know what materials you want to build with, you need to know your dock size so you can purchase said materials.

The easiest way to find the square footage of your dock is to multiply the width by the length. If your dock is U or T-shaped, measure each section separately, then add up your total. 

Overall Design

The more complex your dock design, the more money it will cost because it will have larger square footage.

Additionally, the more corners you have, the more hardware and dock bumpers you will need for the perimeter.

When you include features like a roof or a lit pathway, the price continues to go up. 

How Much Does a Floating Dock Cost? 

The price of building your own floating dock is entirely dependent on the materials and design of your dock. The good news is that you can build the perfect dock for your waterfront property with any size budget.

So what are you waiting for? Get everything you need from Tommy Docks to design your own floating dock!

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