All of the victims, who are aged between 20 and 60, were taken to hospital with a combination of fractures, traumas and other injuries.
"He was taken to the Hospital Del Sur in Tenerife and is suffering from a broken bone in his lower body".
Injuries reported included broken legs, ankle sprains and bruises.
The spokesman said: "None of the injures the casualties have suffered are life-threatening".
Two French nationals, a Belgian and a Romanian were among those hurt.
Jennifer Lawrence wants to live on a farm with goats
And she plans to dedicate more of her time to the political corruption-fighting nonprofit Represent.Us. Actress Jennifer Lawrence says she wants to take a break from acting and milk goats at a farm.
A large emergency service team were at the scene until 6am this morning including firefighters who searched the basement in case anyone was trapped inside.
Emergency services in the Canary Islands said that people fell "about one storey" into the basement early on Sunday after a hole of approximately four square metres (43 sq ft) opened in the floor.
The nightclub is located in a shopping centre in Avenida Rafael Puig Lluvina in the bustling area of Adeje.
Playa de las Americas is the main spot for clubbing on the resort and is frequented by British tourists - it is not known if any are among the injured.
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