The choice between Pompeii and the Amalfi Coast depends entirely on whether you prioritize archaeological immersion or coastal luxury. Pompeii is a world-class historical site that offers a haunting and unparalleled look into Roman life in 79 AD; you need at least 4 to 5 hours to walk through the ruins, and it is a "must" for history buffs. In contrast, the Amalfi Coast (Positano, Amalfi, Ravello) is about "La Dolce Vita"—stunning cliffside views, boutique shopping, and high-end dining. If you only have one day in 2026, Pompeii is more "efficient" as it is easily accessible via the Circumvesuviana train from Naples or Sorrento. However, if you are looking for relaxation and iconic photography, the Amalfi Coast is superior. Many travelers attempt to combine both in a single day, but this is often exhausting and results in "travel fatigue." For the best experience, spend a full day in Pompeii to respect the history, and then dedicate a separate, slower day to the Amalfi Coast to enjoy the ferry rides and lemon groves.