- Neptune's Grotto, entry€10 reduced for ages 6–17, students under 26 and Alghero residents; under-sixes free. Neither the boat nor the shuttle bus is included.
- €18
- Boat to the grotto and backFrom the port, about 40 minutes each way, spring to autumn. Children aged 3–12 pay €8. Cancelled when the sea is rough.
- €16
- Coral Museum or Archaeological Museum€5 reduced. Both are in town, a few minutes apart.
- €7
- Nuraghe Palmavera or Anghelu Ruju€5 reduced. A guided visit taking in both sites costs €12.
- €7
- Alghero Ticket, thirteen sitesCovers the grotto, both museums, the archaeological sites and the Porto Conte park. €70 for two adults and three under-18s.
- €35
- Coastal boat trip with a swim stopHalf a day along the Coral Riviera. Lunch is sometimes included, sometimes extra.
- €40 – €80
- Single dive with equipmentTwo dives in one day cost €110. Most of the coast west of town lies inside the marine protected area.
- €55
- Kayak or paddleboard, half a dayGuided trips cost more than bare rental.
- €25 – €45
- Town bike for a dayAn e-bike costs two to three times as much.
- €8 – €20/ day
- Umbrella and two sunbeds, one dayOnly at a lido. The sand itself is public, and free.
- €25 – €50/ day
- Umbrella and two sunbeds, a week in AugustAltroconsumo priced 222 Italian lidos in the week of 2–8 August 2026, front row to fourth. Alghero came third dearest in the country, behind Alassio and Gallipoli, and 14% above its own 2025 prices.
- €248 – €288/ week