Capri's most iconic sight — a natural sea cave where sunlight refracts through an underwater opening and turns the water electric blue and silver. Enter by small rowboat, lying flat. Best visited by boat from Marina Grande before 11am; calm sea essential. Avoid rough weather days entirely.
Why It’s Worth Your Time
The Grotta Azzurra (Blue Grotto) is Capri's most famous natural wonder — a 60-meter-long sea cave where sunlight enters only through a submerged 1.5-meter opening, refracting through the water to create a surreal electric blue and silver light that transforms the interior into something otherworldly. You access it by rowboat (lying flat as the boat passes through the low opening) from the boarding platform outside; the visit itself lasts 5–10 minutes. The optical effect is extraordinary and entirely authentic — nothing else looks quite like it. Best visited by direct boat from Marina Grande before 11am when the light and queue are optimal; on rough sea days the grotto closes entirely. The entrance fee (€18 per person for the rowboat) is separate from the boat transfer. Queue times in July–August can exceed 90 minutes; pre-season (May, early June, September) is much more manageable.
What Stands Out
- Capri’s most iconic sight
- Electric-blue light created by a submerged opening
- Entry by small rowboat — passengers lie flat to pass through the entrance
- ~60-meter sea cave
- Visit lasts 5–10 minutes
- Best accessed directly by boat from Marina Grande before 11am
- Calm sea conditions essential — closes in rough weather
- Queues can exceed 90 minutes in July–August
- Pre-season visits are much more manageable
- €18 rowboat entry fee (separate from transport)