Despite the sun, most opted for the warm waters of the indoor pool at 30C, with only about a quarter of visitors braving the chillier lido , at only 17C.
There is talk of really striking out and walking down to Taurito Centro (the bottom of the hill) to check out the beach and the lido , but I'm not sure how much will come of it.
The lido forms a pivotal part of the Time and Tide Project to breathe new life into the town's promenade and, under proposals that went out to public consultation, could be demolished to make way for a toilet and caf complex.
The London Pools Campaign, which was set up to highlight the closure of swimming pools across the capital, also pushed for the lido to be re-opened.
In 2002, there was a spate of vandalism, including one incident in which damage put at £1, 000 was caused to the open-air lido .
She said: ‘Our lido is one of relatively few in the country which hasn't been demolished or altered and it should be protected.’
A working party of council officers and users, including the Charlton Lido Swimming Club, will look at ways to reopen the lido in time for next summer if possible.
Whitby has been waiting more than 30 years for a sports hall to supplement its ailing lido , which is currently costing Council Tax-payers £200,000 a year just to keep open.
The lido , on Denton Road, includes diving and paddling areas, a café and large grassed areas for sunbathing.
Guests are entitled to use its facilities free of charge and we spent a pleasant day at the private lido which has a restaurant, changing rooms and umbrellas with sun beds.