Custom swim platforms.Built to your transom.
More usable deck space
A full-width platform adds real square footage behind the transom: room to sit, gear up, load the cooler and get in and out of the water without crowding the cockpit.
A barrier at the outdrive
The platform adds a solid barrier between swimmers and the outdrive and provides a dedicated area for boarding from the water. It does not replace safe boating practices.
Built for your hull
Every platform is measured, cut and test-fitted to the specific boat by Swim Platforms LHC, not an off-the-shelf bolt-on.
Choose your build
Original All Billet Aluminum
Our base all-billet aluminum build, with the standard finish, decking, grab handles and ladder listed below.
Representative shop build: full-width billet platform with color-matched decking. Not a photo of a specific build tier.
Starting at $5,250
Cadillac Design All Billet Aluminum
Our feather-light edition: an extra light, all billet aluminum platform that adds our custom window brackets. Everything from the Original build, plus the bracket work that sets it apart.
Representative shop build: custom bracket work and logo decking finished in-house. Not a photo of a specific build tier.
Starting at $5,750
Bat Design All Billet Aluminum
All of our platforms are custom, but this one is ultra custom. If you're looking for something different, this is definitely the one. Everything from the Original build, shaped to your boat.
Representative shop build: ultra-custom shaped platform with color-matched decking. Not a photo of a specific build tier.
Quoted per build
Included with every platform
Every build leaves the shop with all of the following. None of it is an add-on.
Construction
- 3/8" billet aluminum construction
- Cut, welded and test-fitted in-house to your transom
Finish
- Your choice of powder coat color
- Non-slip marine decking in your choice of color and pattern
Boarding
- One installed three-rung telescoping ladder, deployed and stowed by hand
- Grab handles on both sides
Every platform extends 2 ft (24") off the back of the boat at center.
Overall width is determined by your boat. Share your make, model and transom photos and the shop will confirm the footprint for your build.
Extras & add-ons
Round out your build with any of these. Request them with your estimate and the shop will include them in the same quote.
Extra ladder
$350–$550Logo in decking
$250Logo in outside brackets
$500Cup holders
$350Custom swim platform cover
$300Pick your extras when you request your estimate. They're built and installed as part of the same platform.
Get a Platform EstimateOn the water
A shop-built platform out on the lake: the decking, the transom fit and how it sits in the water.
Get a Platform EstimateHow a platform gets built
From the first measurement to the final install, here is how a platform comes together in the shop.
Measure and digitize
Every build starts with the boat itself: the width across the back and the curvature of the transom. Those go into our digitizing system and CAD, where the platform top is designed.
Cut the top
The top is cut and made in the shop, then set behind the boat and lined up exactly where it will live.
Build the bracketry
With the top in place, the brackets are laid out and cut so every angle meets both the boat and the platform.
Full mock-up and drill marks
Everything goes back together in its designated place for a full mock-up. That is when we mark the holes to drill through the boat.
Prep and powder coat
The parts come back down and are routed, sanded and prepped, then sent out for powder coating in your chosen color.
Install and deck
The finished parts go back on the boat and the marine decking goes into the top, with your hardware and a Sandbar Shade receiver if you want one.
Ladder options
A standard three-rung boarding ladder, or a two-step ladder that retracts on its own. Add a second for a dual ladder setup.
- One standard ladder included with every swim platform
- Three rungs, deployed and stowed by hand
- Self-retracting ladder tucks away after each use
- Add a second ladder, upgrade or order a replacement
Planning your build
Your estimate brings together the platform design, boat fit and selected extras.
The shop will confirm the final price, payment arrangements and current scheduling before work is booked.
Get a Platform EstimatePlatforms for performance boats
Every platform is cut and test-fitted to your boat.
Suitability depends on your transom and drive setup, so share photos for the shop to review.
Add Sandbar Shade to your build
Build It With Shade.
Ask about adding a Sandbar Shade receiver when planning your platform. The shop can discuss a suitable mounting location and include the option in your estimate.
See the Sandbar Shade SystemFrequently asked questions
Ready for a Quote?
Share your boat make, model, drive setup and transom photos. Include your preferred build, powder coat and decking choices, plus any extras you want quoted.
Get a Custom Platform Quote