DESIGNED AND MADE IN THE USA

Simple hardware.
Serious boating.

Clean, secure mounting designed around the towers and biminis found on boats and pontoons.

HIGH SPEED FLAGS

Ready to fly on boats, side by sides, golf carts, and many other recreational vehicles.

Carbon fiber, purpose-designed tube mounting, and a clean profile.

INBOARD MARINE DESIGN

Marine hardware designed around the boat.

We design practical accessories for people who actually use their boats. Every product starts with the fit, the geometry, and the details that matter once you're on the water.

01

Purpose-built

Designed around real marine tube dimensions and real-world use.

02

Clean design

Hardware that looks at home on a modern performance boat.

03

Made to run

Carbon fiber and robust mounting hardware for high-speed boating.

OUR PRODUCTS

HSF 360 Mounts

Choose from two HSF 360 mount families. Each mount includes a 500 mm carbon-fiber pole and two flag clips. Flag not included.

AnyTube Mounts

Mount a flag to any tube! Universal sizing mounts to both round and square tubes.

ExactFit Mounts

Choose a mount matched to the tube size and location listed for your boat.

Grey HSF 360 ExactFit mount for a MasterCraft tower tube
MasterCraft 2 3/8" Tower Mount
Order Now

Both ExactFit options use the same single and two-pack pricing shown above.

ORDER

Choose your HSF 360 mount

Select one of the AnyTube or ExactFit mounts below, then choose a single or two-pack.

Single$99
Two-Pack$178

Step 1 of 2 · Choose your product

IMD
ABOUT

Engineering-minded marine and recreational products.

Inboard Marine Design, LLC develops accessories for inboard boats with an emphasis on fit, function, and clean design.

Our High Speed Flags products are designed to add a finished look while maintaining your tower or biminis original aesthetic and functionality.

Designed for the boat. Built for the water.
CONTACT

Contact us for questions or support

Email us at [email protected] and include your boat year, make, model, and the tube/tower location you're working with.

Dealer inquiries Contact us for wholesale and dealer pricing. [email protected]