The most common and most likely answer to this crossword clue is the 9 letter word MORECAMBE
I've seen this crossword clue in The Times
M
O
R
E
C
A
M
B
E
More clues leading to the result MORECAMBE
- Additional people arrived to welcome British comedian
- Visitors arrived in greater numbers around British seaside resort
- A greater number arrived outside British holiday resort
- National treasure second to record an honour
- Others arrived to go round second-rate seaside town
- Resort‘s second park with first-rate award
- Longer river’s empty beside Northern town
- Extra flower stand for seaside resort
- Resort: additional people turned up, taking in opening of beach
- Seaside town cameo with Mr Bean accidentally mislaying a note
Buddy explains!

The straight part
We know that "seaside resort" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case seaside resort = morecambe.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.