Italy and Spain are the two Mediterranean giants. Similar climate, similar food culture (olive oil, wine, late dinners), similar passion for life. The differences are in emphasis: Italy has deeper art/architecture history (3,000 years vs 2,000). Spain has better organized beaches + nightlife. Italy has more food diversity (20 regional cuisines). Spain has cheaper alcohol + later nights. Both are excellent. This guide helps you choose.
Spain is 10-15% cheaper than Italy. Budget Spain: €45-70/day. Budget Italy: €50-80/day. Alcohol: Spain wins (beer €2-3, wine €2-3 vs Italy beer €4-5, wine €3-5). Food: Comparable (tapas culture = free snacks with drinks in many Spanish bars). Hotels: Spain slightly cheaper outside Barcelona/Madrid. Transport: Comparable (both have good high-speed rail).
Spain wins on: organized beach infrastructure. Chiringuitos (beach bars), lifeguards, blue-flag standards, wide sandy beaches. Balearic Islands (Mallorca, Ibiza, Menorca) are better organized than most Italian islands. Italy wins on: dramatic variety. Sardinia's coves, Amalfi cliffs, Tropea's church-on-rock, Scala dei Turchi's white clay — Italy has more visually dramatic coastline. Water clarity: Sardinia > anything in Spain.
Italy wins on: depth and diversity. 20 distinct regional cuisines. Roman cuisine ≠ Neapolitan ≠ Bolognese ≠ Sicilian. Pasta is a universe. Spain wins on: social eating format. Tapas (small shared plates, bar-hopping) is more social and spontaneous than Italian sit-down dining. Jamón ibérico is the world's best cured meat (sorry, Italian prosciutto). Both have excellent wine.
Italy wins decisively. Rome alone has more ancient history than all of Spain combined. Florence = the birthplace of the Renaissance. Venice = architecturally unique on Earth. Spain has: Alhambra (extraordinary), Gaudí's Barcelona (unique), Prado Museum (world-class). But Italy's depth — from Etruscans to Pompeii to the Uffizi — is unmatched.
Spain wins. Dinner at 10pm, bars until 3am, clubs until 6am — Spain's nightlife is later, louder, and more energetic. Ibiza is the world capital of electronic music. Italy's nightlife is: aperitivo (civilized, 7-9pm), dinner (9-11pm), maybe a bar until 1am. Italy lives well. Spain lives LATE.