Blue Lagoon or Blue Cave: Two Different Days
The Krknjaši lagoon off Drvenik Veli is a swimming day; the Biševo cave is a spectacle day. Duration, cost, swim time, seasickness and kids - compared honestly.
Croatia sells two famous blues out of the same region, and conflating them books people onto the wrong boat. They are not rivals; they are different days.
What each one is
The Blue Lagoon is the Krknjaši bay off Drvenik Veli, a shallow turquoise anchorage on white sand - a swimming and floating day, closest to Split and Trogir (the boats run from there, not from Hvar). The Blue Cave is a 10-15 minute spectacle inside an islet off Vis, wrapped in a full island itinerary - the day this site covers.
The honest comparison
| Blue Lagoon day | Blue Cave 5-island day | |
|---|---|---|
| The point | Swimming, snorkeling, lunch at anchor | The glowing cave + island sequence |
| Time in the water | Hours | Swim stops between legs |
| Boat feel | Slower cruise, calmer | Speedboat, some pounding |
| Extra fees | None standard | €24/€18 cave ticket on-site |
| Kids & queasy stomachs | The friendly pick | The bumpy pick |
| Typical price | $64–98 | $116–137 from Hvar |
The lagoon’s flagship - the all-inclusive 3-islands cruise with lunch, 4.5/5 across 2,734 bookings, $98 - is the gentle version; a $64 half-day speedboat variant (4.5/5 across 242) runs it faster from Split. The cave day is this site’s whole subject from Hvar’s side.
The one-paragraph verdict
Traveling with kids, prone to seasickness, or mainly want to swim in absurd turquoise: lagoon, and base the day in Split or Trogir. Chasing the one image Croatia is famous for and happy to earn it on a speedboat: cave. Doing a week in the region: both, on different days - they don’t overlap at all.
Prices are 2026-season listings in USD, checked August 2026 - the shape of the market, not a quote; operator checkouts decide.

Book the Blue Lagoon Cruise
The all-inclusive 3-islands lagoon day with lunch - 4.5/5 across 2,734 bookings, $98, free cancellation.
Check the Lagoon Day