Now Summer elGordo with 140 Million euros in prizes. And a 15 M euros (18.1 M $) jackpot in Euromillions. With another 17.7 M euros (21.4 M $) jackpot in Primitiva 5/54 + 1.

More
National Lottery :: 42 M euros to prizes (19 and 26 June) on Saturdays.
Thursday Lottery :: 13 M euros to prizes (17 and 24 of June, 1 of July) on Thursdays.
Summer Special :: 84 M euros to prizes (10 July).

In Spanish National Lottery, every 100 numbers, 35 have some kind of prize.

And Daily 6/49 (4 draws with daily jackpots), Thursday and Saturday 6/49 (3 M euros each), and also the Spanish Football Quiniela.