The most common and most likely answer to this crossword clue is the 3 plus 5 letter word TAX HAVEN
T
A
X
H
A
V
E
N
More clues leading to the result TAX HAVEN
- Are demanding to be given new offshore location?
- Make heavy demands on port in Jersey for instance
- Stress port as an option, if you want to keep more of your income
- Charge harbour where there are low duties
- Uber utopia that is being lost in parts in the Caymans, say
- Point of no return?
- Where one may get off scot-free?
- E.g. Jersey or Guernsey don’t get a vote during cycle
- Domicile for those avoiding liability
- Try to get to Northern Cayman Islands perhaps
Buddy explains!

The straight part
We know that "the Caymans, say" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case the caymans, say = tax haven.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.