BoatsIsland Spirit 525

Island Spirit 525

Catamaran, twin keels · Fractional Sloop · First built 2022

A high-performance fractional sloop catamaran with a 27.88 sail area-to-displacement ratio for rapid cruising

LOA
Beam
Draft (max)
Displacement
Hull type
Catamaran Twin Keel

See her sail

The Island Spirit 525, on the water

The fleet's own footage — the truest look at how she really moves.

Footage from Sailing Doodles

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

LightHeavy

117 — light for her waterline, so she is easily driven and quick to accelerate.

Displacement / length 117
EasygoingPowered-up

27.9 — a lot of sail for her weight; powered-up and eager, a real performer.

Sail area / displacement 27.9
  • Heavier than ~82% of boats her size on file
  • Beamier than ~76% of boats her size on file

Compared with 240 boats of the same type within a quarter of her length.

What the fleet has seen

The Island Spirit 525, as the fleet has seen it

Derived from the videos the fleet has analysed of this model. ▶ marks open the moment aboard.

The Island SPIRIT 525 is a 15.8-meter fractional sloop catamaran, designed by Group Island Spirit and built by Island Spirit Catamarans since 2022. It features a twin keel hull, an 8.2-meter beam, a 1.5-meter draft, and displaces 16,500 kg. The model is available with electric propulsion, offering a 65kW (87 hp) rated power system or optional 2x 80 hp motors, and can be configured with three, four, five, or six cabins. Aboard *Sailing Doodles*, the crew tested the Island SPIRIT 525's performance under sail and electric propulsion, achieving speeds of six to seven knots in 13 knots of wind while adjusting the in-mast furling mainsail and jib halyard tension.10:42 The electric motor system allows for silent operation and powers onboard systems without a diesel generator.8:41 The crew practiced docking using differential power from the electric motors, and technicians finalized the C-Zone system programming to enable air conditioning.14:46 The vessel is slated for a future circumnavigation and appearances at the Miami and Annapolis Boat Shows.19:16

The living fleet

Sailed by the fleet

The channels sailing this model, and where they were last seen.

Seen 82 times across 2 channels of the fleet.

Basemap © Wikimedia Commons · CC BY-SA 4.0

On the water

The Island Spirit 525 on video

Meet DESTINY! My New Sailing Crew Arrives!The owner of Doodles repairs a contaminated fuel system and fixes a faulty tachometer before departing.Sailing DoodlesEngine Alarm, Water Leak & a Nightmare Repair Before We SailThe crew repairs a ruptured hot water line and replaces alternator belts on Doodles after long-term storage.Sailing DoodlesFinally Launched the Boat… Then the Engine Alarm Went OffA 1989 CT-56 triggers an engine alarm immediately after launch, revealing rotted hoses and freshwater leaks.Sailing DoodlesCrazy Crab Boat Docking Races & Getting My Old Yacht Back in the Water!A 1989 Tachao CT56 undergoes engine bay cleaning and bilge painting after a year in storage.Sailing DoodlesMy Yacht Sat Abandoned for a Year… Can I Bring Her Back?The owner prepares a 1989 CT-56 sailboat for sale after a year of storage on the hard.Sailing DoodlesGoodbye Thailand… It’s Time to Sail My Old Boat Again!Bobby travels from Ko Samui District to Dallas to prepare his CT56 yacht for Caribbean sailing.Sailing DoodlesSPINNAKER SAILING DISASTER! We Rigged It Wrong…An incorrectly rigged top-down spinnaker on an Island Spirit yacht causes a sail to balloon and submerge.Sailing DoodlesThis Party Was STILL Going at 8AM! | Koh Phangan by BoatThe crew cruises Ko Pha-ngan District, Thailand, aboard an Island Spirit 525 before returning for warranty work.Sailing DoodlesWe Found One of Thailand’s Most Beautiful Hidden BaysThe crew anchors an Island Spirit 525 in Ao Hat Yon, a secluded bay in Koh Phangan.Sailing DoodlesWe’re Running Out of Diesel… And There’s None on the IslandThe crew of Doodles searches for diesel fuel on Koh Phangan, Thailand, before sailing to a cove.Sailing DoodlesFINALLY SAILING AGAIN! We Made It to Thailand’s Full Moon Party IslandAn Island Spirit catamaran owner troubleshoots a malfunctioning spinnaker furler while cruising near Koh Phangan, Thailand.Sailing DoodlesLithium Battery Failure on Our NEW BoatThe crew of Doodles manages a lithium battery failure in Koh Samui by isolating one faulty bank.Sailing Doodles

What broke, what changed

Gear aboard, as the crews told it

Moments from individual boats of this model that the fleet has filmed — one crew, one piece of kit, one day on the water. Not a review of the class, and not a count of anything.

  • ReplacedYanmarin place of slightly less expensive generator

    The boats original generators are being replaced with Yanmar 85 horsepower engines due to reliability and parts availability

    aboard Sailing Doodlesseen October 20259:37

  • ReplacedFortressin place of Mantis M2

    One of the Danforth anchors being replaced is a Fortress.

    aboard Sailing Doodlesseen February 20211:13

  • FailedRainman

    A pre-filter for the water maker cracked due to freezing, requiring new parts.

    aboard Sailing Doodlesseen October 20261:33

  • FailedHighfield

    The dinghy was swamped by a wave, leading to camera damage.

    aboard Sailing Doodlesseen July 2026watch

  • FailedGoPro

    The GoPro battery died while the speaker was diving with sharks, forcing them to stop filming.

    aboard Sailing Doodlesseen December 202511:13

  • FailedVictron

    The charge controller was suspected of malfunctioning, causing solar issues

    aboard Sailing Doodlesseen February 202510:19

  • ComparedB&Gweighed against proprietary screen

    The owner compared the boats proprietary screen to a B&G display, noting the B&Gs superior outdoor visibility and temperature tolerance.

    aboard Sailing Doodlesseen June 20264:31

  • ComparedNavionicsweighed against Raymarine

    The speaker compared Navionics charts on his phone to the boats Raymarine charts, finding Navionics more accurate for Belize.

    aboard Sailing Doodlesseen January 20212:15

  • ComparedRaymarineweighed against Navionics

    The speaker compared the boats Raymarine chart plotter to Navionics on his phone, noting the Raymarine charts were less accurate in Belize.

    aboard Sailing Doodlesseen January 20212:21

  • ComparedGarminweighed against Navionics

    The speaker compared Garmin charts to Navionics charts for accuracy in a remote atoll.

    aboard Sailing Doodlesseen September 20181:03

Each line is one crew's account of their own boat. Another Island Spirit 525 may be fitted out entirely differently.

What they go for

Market signal

Where the fleet has seen this model for sale, and the asking prices that came with it.

2seen for sale
1seen sold
1channel weighed buying one
US$1,300,000Median asking

For sale

  • Hull number three is being shown at the Annapolis Boat Show and appointments are encouraged for those interested in buying it

    from The Sailing Doodles Podcastseen September 2025watch

  • Available for purchase, targets a July completion, will appear at the Annapolis Boat Show, and is available for bareboat charter at $14,000–$18,000 per week

    from The Sailing Doodles Podcastseen February 2026watch

  • Hull number eight is unsold and available for purchase with a winter/spring delivery

    from Sailing Doodlesseen April 2026watch

  • Hull number seven is unsold and available for purchase with a fall delivery

    from Sailing Doodlesseen April 2026watch

Sold

Weighed buying

From the fleet's own footage — our observed signal, not broker listings.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
27.9
Displacement / length
117.2
Hull
Hull type
Catamaran Twin Keel
Construction
Fiberglass
Production
Years built
First built 2022
Designer
Group Island Spirit
Builder
Island Spirit

Boats like this, on the water

More boats like her, on the water

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Xquisite Yachts X5 Plus16.17 mSame hull family0.4 m longerA high-performance fractional catamaran designed by Rudolf Jonker for long-range cruising with a shallow 1.35m draft
Discovery Yachts 50 Catamaran15.40 mSame hull family0.4 m shorterA Bill Dixon-designed fractional sloop catamaran, later rebranded as the Bluewater 50, built for blue-water cruising
Neel 5215.85 mSame hull familyNear-identical lengthA high-performance trimaran from Marc Lombard featuring a massive 8.8-metre beam and a high sail-area-to-displacement ratio
ST Francis 5015.25 mSame hull family0.5 m shorterA 15.25-metre catamaran with a 1.25m draft and a powerful 27.29 sail-area-to-displacement ratio for rapid cruising
Lagoon 50015.54 mSame hull family0.2 m shorterA spacious catamaran from Van Peteghem and Lauriot-Prevost, designed for stable cruising with a shallow 1.4-metre draft

The family

Boats like this

Nearby designs by size, type, and era — worth a look alongside her.

Keep asking

The fleet has more to say

Search what's been said about the Island Spirit 525, or ask a specific question — the answer comes back written out, with links to the moments it draws on.

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