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 in Thailand 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 65kW (87 hp) rated power or optional 2x 80 hp motors, and can be configured with three, four, five, or six cabins. Aboard *Sailing Doodles*, Bobby White ordered an all-electric Island SPIRIT 525 with three cabins plus an office, mast furling, and DC motors, planning to take delivery in Thailand.18:14 His hull number five, the 525E, features shaft-drive electric motors, sacrificial keels, six underwater hull lights, and a four-cabin layout with a dedicated owner's office.2:25 The boat has a 360-degree helm enclosure, integrated camera systems for docking, and electric furling and winches.1:53 A test sail showed the boat maintaining nearly seven knots while drawing 25 amps of power.7:16 The 525E also features a flybridge with Starlink and solar panels, Selden winches with in-mast furling, and a 25-kilowatt-hour house bank capable of running the air conditioning chiller system without a generator.3:21

The living fleet

Sailed by the fleet

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

Sailing DoodlesBobby cruises the Gulf of Thailand aboard his new Island Spirit 525e catamaran, documenting the technical challenges and realities of full-time electric sailing.

Seen 80 times across 2 channels of the fleet.

Basemap © Wikimedia Commons · CC BY-SA 4.0

On the water

The Island Spirit 525 on video

We’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 DoodlesWe Found the WEIRDEST Place in Thailand!The crew visits a 100-acre art park in Koh Samui while awaiting generator repairs for Doodles.Sailing DoodlesOur Boat Broke Down… So We Made the Best of Koh Samui!A failed generator motor controller on Doodles forces a 10-day delay in the Ko Samui District.Sailing DoodlesThey’re Making Me Leave ThailandBobby secures the catamaran Doodles on a mooring in Koh Samui while troubleshooting a recurring generator failure.Sailing DoodlesMy Visa Was Expiring… So We Sailed to Koh SamuiThe crew sails Doodles to Koh Samui while managing generator coolant pump failures and visa renewal requirements.Sailing DoodlesThe Truth About Koh Tao, ThailandThe crew repaired a clogged air conditioning raw water intake line while anchored at Koh Tao, Thailand.Sailing DoodlesSailing Thailand. Paradise Found, Then Our Generator QuitA 2026 Island Spirit 525 catamaran experiences generator overheating caused by a faulty freshwater cooling pump.Sailing DoodlesOur Batteries Were Dying… Then We Found ParadiseThe crew of Doodles anchors in Bang Thong Lang to troubleshoot a persistent generator software failure.Sailing DoodlesWe Had This Thai Paradise All to Ourselves!The crew anchors in Hua Hin and uses a Highfield Sport 360 dinghy to access local temples.Sailing DoodlesOur First Real Passage… Then the Generator FailedDoodles crew troubleshoots a generator fuel delivery failure during a 50-mile passage to Hua Hin, Thailand.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

  • 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

  • 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

  • InstalledSelden

    The speaker is rigging a spinnaker and mentions not having the proper hardware from Selden.

    aboard Sailing Doodlesseen August 20262:21

  • InstalledStarlink

    The flybridge has Starlink already installed.

    aboard Sailing Doodlesseen April 20262:57

  • InstalledSailing Doodles app

    The speaker is developing an app to livestream camera feeds for patrons.

    aboard Sailing Doodlesseen March 20261:50

  • BoughtTotal Boat

    The captain purchased teak oil from this brand to maintain the boats teak.

    aboard Sailing Doodlesseen June 20259:51

  • BoughtMantus

    The speaker has ordered a new 120-pound Mantus M2 anchor.

    aboard Sailing Doodlesseen February 20211:42

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.

Aura 5115.54 mSame hull family0.2 m shorterA high-performance 15-metre catamaran from Berret-Racoupeau, featuring a fractional rig and shallow 1.3-metre draft
#45 We bought a new Dinghy and went to the biggest nautical event in the world!20:22from Sail Vessel Khalifa
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
NANDJI 3? A Multi Million dollar LUXURY Hybrid Catamaran? Ep 4340:45from Sailing Nandji - Frothlyfe
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
INFLATABLE SAILS! The Future of Sailing?14:25from Sailing Nahoa
Neel 5115.60 mSame hull family0.2 m shorter
SAILING TO BIMINI BAHAMAS & NEEL 51 Trimaran Walk Thru0:28from Sailing Solé
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
What’s REALLY Happening With Our Boat Search | Important update!2:22from Sailing Sunday
Saba 5014.98 mSame hull family0.8 m shorterA 15-metre catamaran featuring a rotating fractional spar and a shallow 1.25-metre draft for versatile coastal access
WE Sail with Legends at the Odyssey Sailing festival | Episode 242 #sailing #bvi #regatta #travel5:12from WEsail

The family

Boats like this

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

Island Spirit 410A high-performance fractional sloop catamaran from Albatross Marine Design, featuring a 24.24 SA/displacement ratioIsland Spirit 380A Ron Patston-designed fractional sloop catamaran with a high sail-area-to-displacement ratio for spirited performanceIsland Spirit 37A Phil Southwell-designed catamaran featuring a raised coachroof and extended sugar scoops for easier boardingIsland Spirit 40A twin-keel catamaran offering 3 or 4 cabin layouts with extended transom sugar scoops for easier water accessSpirit Yachts 44 CR (E)A 13.4-metre electric-drive cruiser featuring a high 23.9 sail-area-to-displacement ratio for spirited performanceLagoon Sixty 5A 20-metre catamaran with a shallow 1.55-metre draft and a high sail area-to-displacement ratio for agile cruising

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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