- Who
- Backstreet Boys, Inc
- What
- 30 people
- Where
- Italy (Mediterranean Sea)
- When
The most nationalities in a Jacuzzi is 30 and was achieved by The Backstreet Boys (USA), their fans, and Rose Tours (USA), on board Royal Caribbean's 'Brilliance of the Seas', on the Mediterranean Sea, on 13 May 2016.
The nationalities were:
Argentina
Australia
Belgium
Chile
Costa Rica
Denmark
France
Germany
Guatemala
Holland/The Netherlands
Hungary
Israel
Ireland
Italy
Japan
Latvia
Mexico
New Zealand
Norway
Pakistan
Peru
Poland
Romania
Switzerland
The Philippines
USA
Uraguay
Uzbekistan
Venezuela
Cuba
