The most common and most likely answer to this crossword clue is the 7 letter word BEACHES
I've seen this crossword clue in Financial Times
B
E
A
C
H
E
S
Buddy explains!

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 BEACHES mean?
BEACHES noun- The shore of a body of water, especially when sandy or pebbly.
- A horizontal strip of land, usually sandy, adjoining water.
- The loose pebbles of the seashore, especially worn by waves; shingle.
- To run aground on a beach.
- To run (something) aground on a beach.
- (of a vehicle) To run into an obstacle or rough or soft ground, so that the floor of the vehicle rests on the ground and the wheels cannot gain traction.
- A gravel-filled zone on a racetrack, used as a hazard, exclusionary region, and, safety device to slow down and trap vehicles.