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MarineMax

Disclosed Mar 12, 20242 years ago123,494 affectedConfirmed

Official notice

Cyberattack on boat retailer MarineMax disrupts operations

Boat retailer MarineMax determined on March 10, 2024 that a third party gained unauthorized access to portions of its information environment, and containment disrupted part of its business. It later disclosed that a cybercrime organization stole personal data, notifying over 123,000 people; the Rhysida gang claimed the attack.

What is known

People affected123,494 (as reported by the organization)
DisclosedMar 12, 2024
DiscoveredMar 10, 2024
HappenedMar 1, 2024
AttackRansomware
Data exposedOther
SectorRetail · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: MarineMaxoag.ca.gov · Official notice
Marinemax Inc Form 8-K, Item 1.05 (2024-03-12)sec.gov · SEC filing
Marinemax Inc Form 8-K/A, Item 1.05 (2024-04-01)sec.gov · SEC filing
California AG breach notice: MarineMax, Inc.oag.ca.gov · Regulator
MarineMax data breach impacted over 123,000 individualssecurityaffairs.com · News
Vermont Attorney General: 2024-07-16 MarineMax Data Breach Notice to Consumersago.vermont.gov · Official notice
Indiana Attorney General 2024 data breach report: MarineMaxin.gov · Official notice

Notices filed

WhereFiledPeople
SEC 8-KtotalMar 12, 2024
ResearchtotalMar 12, 2024123,000
SEC 8-KtotalApr 1, 2024
California AGresidents of CAJul 16, 2024
Vermont AGresidents of VTJul 16, 2024
Indiana AGresidents of INJul 16, 2024328
History of this record
  • 2026-09-25 · records: 123000 to 123494 · backfill source
  • 2026-09-25 · source: empty to https://ago.vermont.gov/document/2024-07-16-marinemax-data-breach-notice-consumers · backfill source
  • 2026-09-25 · sector: other to retail · seed source
  • 2026-09-25 · attack: unknown to ransomware · seed source
  • 2026-09-25 · data_types: [] to ["other"] · seed source
  • 2026-09-25 · records_basis: empty to organization · seed source
  • 2026-09-25 · records: empty to 123000 · seed source
  • 2026-09-25 · discovered: empty to 2024-03-10 · seed source
  • 2026-09-25 · summary: empty to Boat retailer MarineMax determined on March 10, 2024 that a third party gained unauthorized access to portions of its information environment, and containment disrupted part of its business. It later disclosed that a cybercrime organization · seed source
  • 2026-09-25 · title: Material cybersecurity incident reported to the SEC (8-K Item 1.05) to Cyberattack on boat retailer MarineMax disrupts operations · seed source
  • 2026-09-25 · disclosed: 2024-07-16 to 2024-03-12 · backfill source
  • 2026-09-25 · title: empty to Material cybersecurity incident reported to the SEC (8-K Item 1.05) · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

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