
In Florida, some of the biggest threats to your dock are the ones you cannot see. Marine wood borers like shipworms and gribbles can attack timber pilings below the waterline, often causing serious damage before a property owner even realizes there is a problem.
That is what makes them so dangerous. A piling may look fine above the surface, while hidden damage underneath is weakening the support that holds your dock in place.
What Are Marine Borers?

Marine borers are small organisms that feed on submerged wood. In Florida waters, shipworms and gribbles are well known for damaging timber dock pilings quickly and aggressively. Once they get into unprotected wood, they can hollow out or weaken a piling fast.
They may be tiny, but they can create a big problem in a short amount of time.

Why Marine Borer Damage Matters
When marine borers damage a piling, they attack the strength of your dock from the bottom up. That can lead to:
- Weak or unstable dock support
- Hidden structural damage
- Expensive repairs later
- Greater risk during storms

In many cases, the worst damage is out of sight, which is why regular inspection and fast action are so important.
Timber Dock Piling Repair and Reinforcement Solutions
The good news is that not every damaged piling needs full replacement right away. Depending on the condition, repair and reinforcement solutions may help extend the life of the dock and protect it from further damage.
Common solutions may include protective wraps, structural reinforcement, or replacing severely damaged pilings when needed.
Protect Your Florida Dock Before Damage Spreads
Marine borers do not waste time, and neither should dock owners. If your timber dock pilings are older, exposed, or showing signs of weakness, it may be time for a closer look.
In Florida marine construction, what is happening below the waterline matters just as much as what you can see above it. When it comes to timber dock piling repair in Florida, early action can help stop marine borer damage before it turns into a much bigger problem.
