The crossword answer for “spot where sharks gather” is POOL TABLE.

Quick explanation

  • In this clue, “sharks” does not refer to animals in the ocean but to pool sharks , meaning hustlers or very skilled (often sneaky) billiards players.
  • A pool table is therefore the spot where these “sharks” gather, which fits the 9-letter requirement often used for this clue.

TL;DR:
spot where sharks gather crossword clue = POOLTABLE (POOL TABLE).

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