Blue Water Index
Value a boat
Products Blue Water Owner Blue Water Pro Blue Water Survey Valuations API How It Works Market Pulse News About Sign In Value a boat
Products

One system.
Four ways to use it.

Blue Water Index turns the same live market evidence into products built around the decisions owners, brokers, surveyors, lenders and insurers actually make.

Owner Pro Survey Valuations API
Blue Water Owner
Owners & buyers

Start with the number.

Whether you're thinking about buying, preparing to sell, reviewing your insurance or simply wondering where your boat sits in today's market, Blue Water Owner gives you an independent place to start.

What you get
●Estimated market value
●Confidence range
●Relevant comparable boats
●Key value drivers
●Current market context
Value a boat→
Estimated market value
Confidence B
£366,000
2019 Jeanneau Sun Odyssey 490 · Sail · LOA 14.7m · 3-cabin · Solent, UK
£316,00095% likely range£423,000
Comparables38
80% band±8%
Days on market41 d
Illustrative example — 38 comparables across 12 markets.
Blue Water Pro
Brokers, dealers & charter

Better evidence for the conversation you're already having.

Your expertise still matters. Blue Water Pro adds independent market evidence to it — compare inventory against the market, identify relevant boats and understand pricing movement.

Built to help with
●Listing-price conversations
●Comparable research
●Inventory benchmarking
●Price-change decisions
●Market monitoring
Coming soon
Blue Water IndexPro · My fleet
12 listings
ListingAskingBWI estimateVs marketDOM
2019 Sun Odyssey 490£377,000£366,000+3%62 d
2021 Lagoon 46£710,000£667,000+6%104 d
2016 Oceanis 45£190,000£205,000−7%19 d
2013 Bavaria 40 Cruiser£123,000£116,000+6%151 d
2022 Axopar 37 XC£298,000£295,000+1%28 d
PreviewBlue Water Pro workspace — illustrative inventory.
Blue Water Survey
Surveyors & appraisers

Market evidence that stands beside the survey.

A survey tells you about the boat. Blue Water Survey helps tell you where that boat sits in the market — structured specifications, comparable vessels and explainable valuation evidence in one place.

Coming soon
Appraisal file · market evidence
2019 Sun Odyssey 490 £366,000
£316,00095% likely range£423,000
38 comparables
12 markets
Confidence B
NoteMarket evidence only. Does not replace professional judgement.
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Valuations API
Lenders & insurers

Valuation infrastructure for marine finance and insurance.

Bring Blue Water Index valuations into the systems and processes where decisions are already being made.

Designed to provide
●Estimated market value
●Confidence range
●Comparable market evidence
●Consistent vessel identification
●Market-by-market valuation
Request early access
POST /v1/valuations
{
  "vessel_id": "bwi:jeanneau/sun-odyssey-490/2019",
  "market": "GB",
  "estimate": 366000,
  "currency": "GBP",
  "confidence": "B",
  "range": { "p80": [337000, 395000] },
  "evidence": { "comparables": 38, "markets": 12 },
  "as_of": "2026-08-13"
}