The most common and most likely answer to this crossword clue is the 4 letter word SPAS
I've seen this crossword clue in The Daily Telegraph
S
P
A
S
More clues leading to the result SPAS
- Such places as Scarborough, primarily?
- Part of hospitality industry: foolish people in retirement
- Nits turning up in health resorts
- The chef’s a star hit, as the best in the business
- Springs soldiers quietly within
- Resorts for personal assistant
- Health resorts getting gullible people to return
- Father caught in end of mattress springs
- Pass taken out for health resorts
- Healthy places reducing muscular problem?
Buddy explains!

The straight part
We know that "Healthy places" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case healthy places = spas.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.
What does SPAS mean?
SPAS noun- A health resort near a mineral spring or hot spring.
- A trendy or fashionable resort.
- A health club.
- A hot tub
- A clumsy person (see spastic)
- An idiot
- A gobshite