If you still don't know what to do at Easter, this is at the end of March now, I propose you some cruise bargains that I have seen on the web, but I don't know if there are still places left, you'll have to find out. What I can assure you is that a cruise is an excellent way to enjoy the scenery, relax and also meet interesting people.
Proposals from Spain focus on Mediterranean cruises, and there is any option of river cruise through Venice or visit to Paris, staying on a ship.
In the Logitravel travel agency I found Cruiser painted blue, for 569 euros per person aboard the Costa Fascinosa. The departure of this 8-day route begins on March 20, from the port of Barcelona, and visits Valencia, Palma de Mallorca, Palermo, Naples, Savona and return to Barcelona.
On that same page you have Mediterranean breezes, from Pullmantur, recommended for families. The departure is on March 19, with the itinerary Barcelona, Toulon, Florence, Rome, Nóapols, Olbia and return to Barcelona. The cheapest cabin are 510 euros per person.
These are the bargains that I saw in the Mediterranean, but if you want to enjoy a river cruise, I assure you that it is a very interesting option I propose you Venice and its lagoon, leaving on March 22 traveling for five days, 4 nights, the lagoon of the Italian city for less than 500 euros. What this cruise includes are meals from dinner on the first day to breakfast on the last, water, wine, beer, fruit juice and a coffee and drinks from the bar (except Champagne and wine list).
Accommodation for 4 nights in a double exterior cabin with window and full bathroom. Animation, welcome cocktail and gala evening. Free Wi-Fi connection, and individual headphones during excursions. Assistance / repatriation insurance. And the port taxes, including the port of Venice luggage. I found this offer in Atrápalo.
And the Another getaway that you can do at Easter with departures on March 24, is to Paris. Four days to visit the city sleeping on the boat, and doing a night cruise for 330 euros.