Nathan Clarke, 31 disappeared from outside a beach bar on Grand Caymen Island on Saturday night.
He has not been seen since and a large scale search involving a chartered helicopter has not turned up any leads.
Nathan is 5ft 7in and has blonde hair. When he was last seen he was wearing beige swim shorts and no shirt.
The family are desperate for news.
Do you have any information?:
From the UK you can call our central freephone information line on
0800 098 8485. Calls are free from landlines but may be charged from mobiles.
From overseas you can call +44800 098 8485 but this will incur costs. Please check before you call.
Alternatively you may prefer to email any information to firstname.lastname@example.org
All information wil be treated in the strictest confidence.