Windsurf

Starboard, 2025

iSonic Windsurf Board 2025

2280mm long · 7'6"

770mm wide

118mm thick

129litres

Sizes & Numbers

Listed by the brand, read off a photo, or worked out: where every number comes from

In one line

The 2024 outline, refined. The 129 L is the same length and width as the 2024 129 L.

129 L against the 2024 129 L, listed length and width.

As listed by Starboard

Starboard iSonic Windsurf Board 2025: every size as listed by Starboard
sizelengthwidththicknessweight
87 L225 cm · 2250 mm600 mm110 mm5.6–5.8 kg
98 L226 cm · 2260 mm630 mm122 mm6–6.1 kg
110 L228 cm · 2280 mm670 mm130 mm6.2–6.6 kg
123 L228 cm · 2280 mm730 mm132 mm6.5–7 kg
129 L228 cm · 2280 mm770 mm118 mm · medium confidence6.8–7.2 kg
140 L228 cm · 2280 mm850 mm117 mm · medium confidence7.2–7.8 kg

Every size side by side, tails on one line, one scale

228022500 mm225087 L600 w226098 L630 w2280110 L670 w2280123 L730 w2280129 L758 w2280140 L850 w

Next to your board?

Lay the Starboard iSonic Windsurf Board 129 L over up to four others, at one scale.

Compare with…

Generations

Before it · 2024

The 2025 129 L is the same length and width as the 2024 129 L; its wide point moved 108 mm toward the nose. Open the 2024

listed length and width · wide point derived

2025 129 L over the 2024 129 L, tails aligned, one scale
2025 129 L 2024 129 L

After it · 2026

The 2026 98 L is the same length and width as the 2025 98 L; its wide point moved 16 mm toward the nose. Open the 2026

listed length and width · wide point derived

2025 98 L over the 2026 98 L, tails aligned, one scale
2025 98 L 2026 98 L

The Starboard iSonic Windsurf Board over time

Shape & Rocker

From above, then from the side, true scale · the chosen size solid, the others dashed

Starboard iSonic Windsurf Board 2025 from above and from the side, every size at true scale, tails aligned
Starboard iSonic Windsurf Board 2025 from the side, true proportions: the bottom's rocker over a flat table, every size; borrowed (≈), drawn hollow

Read off the 87 L outline · derived

53 %wide point, 1192 mm from the tail

3.75length over width

433mm wide 12″ from the tail

11,247cm² of planform

Read off the 98 L outline · derived

53 %wide point, 1197 mm from the tail

3.59length over width

455mm wide 12″ from the tail

11,862cm² of planform

Read off the 110 L outline · derived

53 %wide point, 1208 mm from the tail

3.40length over width

483mm wide 12″ from the tail

12,727cm² of planform

Read off the 123 L outline · derived

53 %wide point, 1208 mm from the tail

3.12length over width

527mm wide 12″ from the tail

13,866cm² of planform

Read off the 129 L outline · derived

53 %wide point, 1208 mm from the tail

3.01length over width

547mm wide 12″ from the tail

14,398cm² of planform

Read off the 140 L outline · derived

53 %wide point, 1208 mm from the tail

2.68length over width

613mm wide 12″ from the tail

16,146cm² of planform

Rocker of the 87 L · scaled from the 129 L, borrowed (≈), estimated

≈ 34 mmtail rocker, at the tip
≈ 18 mm12″ from the tail
≈ 53 mm12″ from the nose
≈ 140 mmnose rocker, at the tip
≈ 552 mmflat to within 3 mm, from 37 % to 61 % of the length
50 %of the length to the lowest point, from the tail
≈ 110 mmat its thickest, 51 % from the tail
≈ 31 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 98 L · scaled from the 129 L, borrowed (≈), estimated

≈ 34 mmtail rocker, at the tip
≈ 19 mm12″ from the tail
≈ 54 mm12″ from the nose
≈ 141 mmnose rocker, at the tip
≈ 553 mmflat to within 3 mm, from 37 % to 61 % of the length
50 %of the length to the lowest point, from the tail
≈ 122 mmat its thickest, 51 % from the tail
≈ 31 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 110 L · scaled from the 129 L, borrowed (≈), estimated

≈ 35 mmtail rocker, at the tip
≈ 19 mm12″ from the tail
≈ 55 mm12″ from the nose
≈ 142 mmnose rocker, at the tip
≈ 556 mmflat to within 3 mm, from 37 % to 61 % of the length
50 %of the length to the lowest point, from the tail
≈ 130 mmat its thickest, 51 % from the tail
≈ 32 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 123 L · scaled from the 129 L, borrowed (≈), estimated

≈ 35 mmtail rocker, at the tip
≈ 19 mm12″ from the tail
≈ 55 mm12″ from the nose
≈ 142 mmnose rocker, at the tip
≈ 556 mmflat to within 3 mm, from 37 % to 61 % of the length
50 %of the length to the lowest point, from the tail
≈ 132 mmat its thickest, 51 % from the tail
≈ 32 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 129 L · borrowed (≈), estimated

≈ 35 mmtail rocker, at the tip
≈ 19 mm12″ from the tail
≈ 55 mm12″ from the nose
≈ 142 mmnose rocker, at the tip
≈ 556 mmflat to within 3 mm, from 37 % to 61 % of the length
50 %of the length to the lowest point, from the tail
≈ 118 mmat its thickest, 51 % from the tail
≈ 32 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 140 L · scaled from the 129 L, borrowed (≈), estimated

≈ 35 mmtail rocker, at the tip
≈ 19 mm12″ from the tail
≈ 55 mm12″ from the nose
≈ 142 mmnose rocker, at the tip
≈ 556 mmflat to within 3 mm, from 37 % to 61 % of the length
50 %of the length to the lowest point, from the tail
≈ 117 mmat its thickest, 51 % from the tail
≈ 32 mmlonger along the bottom curve than flat

Lay this rocker over other boards

True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · drawn hollow: no usable side photo of this board · shaded: the middle 80 % of its group · No usable side photo of this board: the median of 40 windsurf boards from 31 product lines. Tail ends set by rule, Claude or a brand convention on their photos, none checked by a person. · estimated

Reviews & Videos

Original pages · 1

Similar Boards

Closest outlines from other models, once stretched to one length and width · derived