XXV Diada de la Puntaire Arenys de Mar
Sponsors:  Associació Catalana de Puntaires and l’Ajuntament d’Arenys de Mar
Date: April 27-29, 2012
Place: Arenys de Mar, Spain. Various sites
Website: http://www.puntaires.com/en/diada.html
English: http://www.diadapuntaire.com/informaci%C3%B3-b%C3%A0sica/english/

See post for Museu Marès de la Punta in Arenys de Mar at http://tinyurl.com/7cwpk2a
The actual 25th open-air lace day is on Sunday, April 29th. With ~3,000 lacemakers and ~30 vendors, this event must be the largest lace day in the world. And there are many other activities:
Friday, April 27, 2012 
4:00 PM   International Lace Exhibition in the Centre Cultural El Calisay
8:00 PM   Opening of the event and tribute to the lacemaker, in the Principal Theater
8:00 PM   Opening of the exhibit “El Cant del Cigne de la Punta CatalanaA” (The Swan Song of the Catalonian Laces) at the Museu Marès de la Punta
Saturday, April 28, 2012
10:00 AM  2nd Conference on Lace Craft, Centre Cultural El Calisay
9:00 PM   Lace fashion show with young designers, in the Ateneu Arenyenc
Sunday, April 29, 2012
XXV Diada de la Puntaire