



Marlin Keel (S, M, L) - Apex (Futures (Single Tab) / Large)
These keel fins were designed to be an ideal template for high performance fishes. The idea was to marry the classic keel outline with more modern, high perfor…
Adds to your Lundquist cart. Mix with boards and accessories — single Stripe checkout. Ships in 3–5 business days after a Lundquist QC pass.
Specs
- Fin box
- futures
- Foil
- —
- Rake
- —
- Base
- —
- Depth
- —
- Area
- —
- Weight
- 340 g
- Material
- composite
- Construction
- —
About this fin
These keel fins were designed to be an ideal template for high performance fishes. The idea was to marry the classic keel outline with more modern, high performance characteristics. This template pairs beautifully with most twin fins and performance fishes. Small Base : 6.07" Height : 4.96 " Area : 22.54 in ² Rake: 30.9 ° Foil : Flat Material: G10 Medium Base : 6.44 " Height : 4.98 " Area: 23.97 in ² Rake: 32.3 ° Foil : Flat Material: G10 Large Base : 6.75 " Height : 5.22 " Area : 26.34 in² Rake: 32.3 ° Foil : Flat Material: G10 Cant angle for Futures based twins: 4 Degree
New to twin fin setups?
Learn how foil, rake, and family choice shape the way a board rides.
More twin fin options

Wayne Rich Nightmare Keels - Futures Compatible (Solid Fiberglass) (red)
futures
The Wayne Rich Nightmare keels have been carefully crafted with close attention to detail in order to harness the full potential of the fins' design. The swept…

Ryan Burch Rakey Twin - Futures Compatible (Volan) (white (Volan))
futures
The Rakey Twin designed by Ryan Burch incorporates an elongated raked template with white tinted Volan fiberglass for pronounced flex. This unique template and…

Libra Twin - Futures Compatible (Solid Fiberglass) (ivory)
futures
Designed by Jordan Brazie of Valaric surfboards, this twin slots nicely into the hybrid realm... more full than an upright twin, but not as much drawn out rake…
Pair this fin with a Lundquist board
Every Lundquist board is built to your spec. Tell Blake what you’re after and he’ll dial in the fin recommendation with the shape.
Start a Custom Order