Sliding side mount under solar panel

Split and sliding side mounts


Expand your possibilities

Our stand-offs stand out


Our unique stand-offs, both split and slide mounts, either slip over the end of tubing or clamp on by opening the hinged jaw. Originally designed for mounting solar panels, these mounts dramatically increase the possibilities for updating and adding all kinds of attachments to dodgers, biminis, davits and rails. 

Gemini Marine Products unique split jaw side mount
Gemini Marine Products unique slide mount

Slide mounts with an extensive range of uses


Crafted from 316 marine grade stainless steel, our hinged and sliding offset mounts are available for use with 7/8”, 1” and 1¼” tubing. With them you can:

  • Adding tensioning and support struts
  • Adding spreader bars
  • Attaching solar panels on your bimini top – this hardware is great for DIY solar additions
  • Attaching antennae, awnings and foldaways for cutting boards and electronics pads
  • Adding grab rails on dodgers, stanchions
  • Fixing binnacle or aft rail lines

It’s almost easier to say what you can’t do with our mounts…

Order now


Join our happy customers

4.9
4.9 out of 5 stars (based on 61 reviews)
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Read reviews or leave yours at the bottom of this page.

*REMEMBER: If you are using our 1 1/4″ mounts to connect to smaller tubing (using either 7/8″ or 1″ eye ends), you will need to drill out the hole in the top of the smaller eye ends to fit the heavy duty bolts in the top of the larger mounts. Please phone us with questions.

Hinged slide mount


No disassembly required

Unlike sliding side mounts, which must slip over the end of a tube, split jaw mounts can attach anywhere, including on frame bends, without disconnecting frame structures. This makes additions, installations, removal for storage and upgrades a breeze – even midseason.

Surf board frame on a power boat
CAD drawing of roof mount with Gemini Marine Products
Gemini offset mounts make a board frame on bot roof
Gemini Marie Products creates a board rack on a power boat 3
A sleek rooftop board rack made by our European distributor Freya Frames. Gemini Marine Products split mounts clamp on to the existing grab rails.

Sliding side mounts


A little sleeker

Our sliding side mounts are less obtrusive than our split mounts (and a little easier on the pocketbook). Great for new builds or removable installations.

Sliding side mount and associated hardware.

Ordering is quick, easy and secure


Just choose the items you need and add them to your cart.

You can even leave your cart to do more shopping then check out any time you’re ready. To return to your cart, click the box at the far right of every page (the cart box is only visible after you have added items to your cart).

You can also buy from any of our distributors if you prefer.

Hinged jaw slide mount fixed over canvas.

Review your new side mounts


Read reviews of side mounts


Excellent: I DID buy from you again (and again)

November 19, 2022

I have purchased several Gemini stainless steel mounts, end caps, etc. to fasten a 365 watt solar panel to the davits on my sailboat. The design and versatility of the Gemini items made it possible to build a fantastic custom solar panel mount and save at least one large Boat Buck compared to the cost of a factory mount. Everything I purchased from Gemini was top notch quality, and I appreciated being able to talk with a human and the expeditious shipping! Cool stuff, great quality and customer service!

Scott L.

Response from Gemini Marine Products

Thank you for the kind words – we do work hard to make sure people get what they need when they need it.

The hinged strapless Bimini kit works well.

October 19, 2022

Installation was easy. Absolutely recommend the hinged mount over the slip-on. Be sure to center the tube joint when folded before tightening and setting the Bimini back up. Double check measurements. Save lengths of marked tape just in case you discover measured incorrectly. If you do make a minor mistake, or if the tube does not make canvas tight enough, no biggie. Simply loosen the mounts and lower horizontal tube until the canvas is made tight. That is what I did.

Paul G.

Response from Gemini Marine Products

That’s exactly what we would recommend! We’re so glad you’re pleased with your new bimini.

Old world craftsmanship is still accessible.

October 15, 2022

I’ll be buying more, thanks!

Michael M.

Response from Gemini Marine Products

We’re ready anytime you are.

Fast Shipping, excellent product

August 23, 2022

just what I needed to attach my solar panels to my arch. these are robust and the standoff and bolt arre very substantial and solid.

Jeff W.

Response from Gemini Marine Products

We’re so glad they are working for you. Those hex bolts are handy. Thank you for taking the time to let others know.

Great company!

August 15, 2022

Product quality is perfect

Howard C.

Response from Gemini Marine Products

We’re so glad you found us!

Tube supports for solar pannels

August 11, 2022

Great no problem parts are high quality

Stuart l.

Response from Gemini Marine Products

Thank you! We knew you’d like them.

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