Motor yacht · Westport 164 (hull 5009) · 2012

Maison Blanche

Reportedly owned by DeVos family. 49.94 metres — 164 feet — on the water.

Dark · US East Coast49.94 m · 164 ft492 GT$40M est. value

On fileThe specification

Length

49.94 m · 164 ft

Beam

9.31 m · 31 ft

Gross tonnage

492

Builder

Westport 164 (hull 5009)

Year

2012

Flag

Cayman Islands

Type

Motor

Home port

—

Guests

—

Cruise speed

—

Est. value

$40M

IMO

9583586

MMSI

319920000

Call sign

ZGBY7

PhotographyThe vessel

4 photographs from public sightings via MarineTraffic. Click any frame to view it full size.

Where she wasLast position

StatusDark

WatersUS East Coast

Coordinates41.181° N, 72.428° W

Speed10 kn

Heading255°

Reported27 Jul 2026 · 19:24 UTC

A single AIS fix, not a live stream. Transponders are switched off routinely and lawfully in port.

Open the full map →

From the register

Sold by DeVos ~2022–23; renamed MAISON BLANCHE, refit 2023 (US owner)

Same ownerElsewhere in the fleetDeVos family →

Westport 164 (hull 5004)

Chasing Daylight

49.94 m$40M

Ownership

Reportedly owned by DeVos family

DeVos family is linked to 2 hulls in the register, $80M combined.

View the DeVos family file →

Specification and photography compiled from public maritime databases and open sightings. Position last reported 27 Jul 2026. Ownership is reported, not certified — see the method.