Custom board works · Lisboa, PT

Built to your numbers.

Name: Monkey Fly
Address: Cascais, PT

Custom surfboards and foilboards, shaped one at a time in a Lisbon workshop. Your weight, your level, your home break: I build to those numbers, in materials most factories won't touch.

Request a build slot Read the layup ↓

1 builder Small batches 0 stock blanks Lead time 4–8 wks

Monkey Fly · custom board worksSheet 01 / 09Scale 1:8 Plan view · 5'10 twin fishCascais, PT · 38.70°N 9.42°WRev A

Sheet 02 / 09Materials: the layup

The layup is the product.

Everything else is paint. Each board is a schedule of materials vacuum-bagged around a shaped core, chosen for how you ride, not for how they photograph. If a fabric is on this list, it earns its grams.

Carbon prepreg

Stiffness placed exactly where response is wanted: rails, tail block, track zones.

200 g/m² twill · aerospace grade

Innegra weave

The ductile impact layer. Dings dent. They don't shatter.

160 g/m² · Innegra S

Basalt fiber

Volcanic cloth. Damping that kills chatter at speed.

220 g/m² plain weave

Flax cloth

Natural flex tuning. The spring in the spring.

200 g/m² unidirectional

Cork deck skin

Portuguese cork. Grip and impact skin in one. No wax.

Amorim cork · 3 mm skins

Bio-based epoxy

The matrix holding all of it. Bio-carbon content in writing, not in marketing.

Sicomin GreenPoxy · 51% bio-carbon

Carbon-Kevlar

Carbon's stiffness, Kevlar's refusal to snap. Runs under a resin tint that shields it from UV.

195 g/m² hybrid weave

Tinted resin

Color lives in the matrix, not sprayed on top. It can't chip off because it isn't a coat, and it shields the fiber underneath from UV.

30+ pigment library

±10 gFinish weight, logged per build

0.8 barVacuum consolidation

0Stock blanks used

1 / 1Serial no. on every build

Sheet 03 / 09Custom surfboards

Shaped to the rider, not the rack.

Tell me your weight, your level, and the break you surf most weeks. Then tell me the gap in your quiver, the wave you keep paddling past. I shape to close that gap: outline, foil, volume distribution, flex. One board with one job, done properly.

VolumeMapped to rider weight and paddle fitness, not a size chart±0.5 L

FlexLayup schedule tuned to rider mass and wave powerprofile logged

ConstructionCarbon / carbon-Kevlar / Innegra / flax over EPS core, bio-epoxy matrixschedule per build

FinishTinted resin, or clear over cork deck skinmatte or gloss

Lead timeFrom spec sign-off to hand-off4–8 weeks

From € 1,450 Deposit reserves the slot · € 300

Four custom twin-fin surfboards in red, yellow, rust and blue resin tints standing on a workshop rack — From the racks · twins, resin tintsPlate 03

Quad fish bottom in red tinted resin, carbon-Kevlar weave under the tint — Carbon-Kevlar quad · red tint over the weavePlate 03b

Yellow twin fish with red rails leaning against a painted wall sign — Yellow tint twin · at the wallPlate 03c

Sheet 04 / 09Custom foilboards

Volume is a number. Get it right.

Prone, wing and downwind builds. Compact outlines, decks reinforced where track loads actually run, volume matched to your kilograms, not a catalogue's. A foilboard is a tolerance problem: liters against body weight, stiffness against swing weight. I build to the number, and I put it in writing.

ProneCompact outlines, low swing weight, early-release rails28–45 L

WingKnee-start comfort to full sinker, rider-matched45–95 L

DownwindGlide-first hulls, paddle volume placed where it works95–140 L

TracksReinforced boxes, carbon load plates through the box linecarbon plates · 4 mm

Lead timeFrom spec sign-off to hand-off5–9 weeks

From € 1,750 All disciplines · deposit € 400

Downwind foil · side profilePlate 04

Sheet 05 / 09Foil tails: off the shelf

Batch 01 · coming 2026

The tail is the tuning tool.

The one thing I build off the shelf. Precision rear stabilizers: CNC-cut cores, carbon prepreg skins, profiles held to ±0.2 mm, weights matched to ±2 g within a batch. Swap the tail and the whole setup changes character: looser, calmer, faster off the turn. Batch 01 sizes below. Full QC data publishes with the batch.

Scroll. The drawing assembles. Want first allocation? Say so in the form

Batch 01 / 2026 · full specs at release

P-01 top skin · carbon 200 g/m² / P-02 core · CNC-cut PVC ±0.2 mm / P-03 bottom skin · carbon 200 g/m² / P-04 interface · twin M6 / P-05 hardware · M6 Ti ×2

Rear stabilizer · exploded viewSheet 05 / 09Scale 2:1

Model	Area	Span	Weight	Rides like
MF-T 140	140 cm²	330 mm	92 g	Loose. Quick rail-to-rail. Prone and small wings.
MF-T 160	160 cm²	360 mm	98 g	The all-rounder. Wing, freeride prone.
MF-T 180	180 cm²	390 mm	105 g	Calm and long. Downwind glide, first foils.

All sizes: CNC PVC core · carbon 200 g/m² · profile ±0.2 mm · matched ±2 g per batch · twin M6 Ti, standard fuselages

From € 180 Batch 01 · 50 units · allocation via the form

Sheet 06 / 09The process

Four steps. No mystery.

Step 01
Talk
A call, or coffee at the workshop. Your riding, honestly: level, weight, the sessions you're chasing. 30 minutes.
Step 02
Spec
I draft the build: outline, volume distribution, layup schedule. You sign off on a drawing, not a promise.
Step 03
Build
Your slot in the queue: 4–8 weeks. Photos as it happens: core, layup, tint, sand.
Step 04
Ride
First sessions, then feedback. If a fin or tail change sharpens it, we tune it together.

Sheet 07 / 09Build log

Logged, not claimed.

Every build leaves the bench with a serial number, its volume as shaped and its weight as finished. The last six:

Serial	Build	Rider	Vol as shaped	Finished	Layup
MF-041	5'10 twin fish	78 kg	32.5 L	2.86 kg	carbon / flax · red tint
MF-040	5'6 quad fish	70 kg	29.0 L	2.61 kg	carbon-Kevlar · red tint
MF-039	4'10 prone foil	82 kg	36.0 L	3.45 kg	carbon / Innegra · clear
MF-038	5'2 wing foil	74 kg	84.0 L	5.90 kg	carbon · cork deck
MF-037	6'2 step-up	80 kg	34.0 L	3.05 kg	flax / basalt · yellow tint
MF-036	7'4 downwind	71 kg	108 L	7.10 kg	carbon · clear

Sheet 08 / 09From the bench

Founder note

I'm Pedro. Every board on this page gets built by me, start to finish, in a workshop in Cascais, west of Lisbon. No production line, no white-label blanks, my hands on every stage from CAD file to final sand. I started building because I couldn't buy the board I wanted to ride.

Pedro · Monkey Fly · Lisboa

The builder in a respirator and suit, hand-laminating green tinted resin over a twin-fin in the glassing bay — Hand lamination · wet resinPlate 05

Sheet 09 / 09Inquiry

Request a build slot.

Batches are small and the queue is real. Tell me what your quiver is missing. I answer everything myself, usually within 3 days.

Next open slotSeptember 2026

Queue length6 builds

Tails batch 01Allocation list open

Volume, roughly

Enter weight. Get a starting number.

Request sent

Logged at the bench. I answer within 3 days with honest lead times.