Synonyms for Watering hole:

n.

honky-tonk, dive, alehouse, cocktail lounge, the House, hotel, club, bistro, beer garden. loch, tank, pond, mere, water, lagoon, L, lake, reservoir, millpond. bar (noun)
bistro, cocktail lounge, beer garden, alehouse.
cabaret (noun)
dive.
hangout (noun)
honky-tonk.
swimming hole (noun)
pond.
tavern (noun)
hotel.
watering hole (noun)
watering place, spa.

Other synonyms:

Other relevant words:
club.