a lido is an open air swimming pool in the UK.
Lido is another word for swimming-pool, so I should think the lido-deck is where the pool is.
Beccles Lido was created in 1959.
Hilsea Lido was created in 1935.
Lido Shuffle was created in 1977.
Adventures on the Lido was created in 1933.
Lido Vieri was born in 1939.
The population of Lido Tikok is 6,761.
Guildford Lido was created in 1933.
Saltdean Lido was created in 1937.
Brockwell Lido was created in 1937.
Lido Town's population is 8,572.
Banbury Lido was created in 1939.