Restaurants have seen a "huge upsurge" in bookings for December - despite there being no plan for them to reopen yet.
The industry would normally do a third of its annual trade in December.
Meanwhile signs banning outdoor drinking are to be erected around the south County Dublin village of Blackrock, after large gatherings on the main street last weekend with little sign of social distancing.
On-street furniture, put in place as part of Dún Laoghaire/Rathdown county council's response to Covid-19, is being used by mainly young people to consume takeaway drinks purchased from local pubs.
It sparked a number of complaints which led to Gardai being called out. Now the local authority is installing sign to remind people that it is against bylaws to drink in public spaces or on streets.
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