Man to face court over more than 200 child offences

However he was charged on Saturday with hundreds more after detectives allegedly found additional child exploitation material on his electronic devices.

The additional charges include 64 counts of indecent treatment and 61 counts of involving a child in making child exploitation material.

The man has also been charged with 42 counts of making child exploitation material, 26 counts of taking a child for an immoral purpose and seven counts of using a carriage service to access child abuse material.

He is set to appear in Cairns Magistrates Court on Monday.

"Investigations are ongoing and police are providing support to those involved," police said.