The most common and most likely answer to this crossword clue is the 6 letter word MARINA
I've seen this crossword clue in The Daily Telegraph
M
A
R
I
N
A
More clues leading to the result MARINA
- River in principal area is a place with boats
- Where you may see yacht “Yesteryear’s Princess”
- Airman out of place in yacht station
- Myanmar, in Asia, houses leisure facility
- Boats here welcoming Beethoven’s Ninth is a musical problem
- Discovered smart and trendy area in harbour
- We can admire the craft in this Bernstein song about November
- Wreck occupying a harbour
- Any number hugged by show girl in seaside area
- River goes into sea, a place where yachts are seen
Buddy explains!

The straight part
We know that "Yacht station" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case yacht station = marina.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 MARINA mean?
MARINA noun- A harbour for small boats.