Ride a morning speedboat from Dubrovnik to the Elafiti Islands, swim through the famous Blue Cave, snorkel green-hued caverns on Koločep, and unwind on Sunj’s rare sandy beach on Lopud. This four-hour loop mixes dramatic light, clear water, and easy beach time.
More ways to explore the area's outdoor wonders
The speedboat cuts through the Adriatic before you reach the cliffs of Koločep; sunlight fractures through a narrow cave mouth and the ocean fluoresces electric blue. For about 40 minutes the Blue Cave holds you—water glowing beneath a low rock roof, swimmers slipping into a surreal pool of light. After, three green-hued sea caverns invite snorkeling among rocky ribs where fish thread the currents.
Difficulty
easy
Duration
4 hours
Fitness Level
Comfortable with short swims and boarding a speedboat; basic swimming ability required
Wildlife
History
The Elafiti islands were part of the maritime network of the Dubrovnik Republic; local stone architecture and small harbors reflect centuries of seafaring and trade.
Conservation
The area hosts important Posidonia meadows—avoid stepping on seagrass, use reef‑safe sunscreen, and follow guides’ anchoring instructions to minimize impact.
Reserve your spot on the Blue & Green Cave,Sunj beach Small Group Tour with Speedboat today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Arrive Early at the Port
Give yourself 20–30 minutes to check in at the meeting point in Dubrovnik to avoid delays and secure a good seat on the speedboat.
Know Your Swimming Limits
This tour requires entering the water from the boat and swimming into caves—if you’re not a confident swimmer, it’s not recommended.
Protect Posidonia Seagrass
Avoid anchoring or standing on seagrass beds while snorkeling; use designated swim areas and reef‑safe sunscreen.
Bring Small Cash
There are a few restaurants on Sunj beach; bring cash for quick purchases and tips if card machines are busy.
Swimsuit and quick‑dry towel
Essential for swimming into caves and drying off on Sunj beach.
summer
Reef‑safe sunscreen and lip balm
Protects skin without harming Posidonia meadows and marine life.
summer
Light windbreaker or rash guard
Blocks wind on the boat and provides sun protection during longer exposures.
spring
Waterproof phone case or small dry bag
Keeps electronics and small items safe during boat transfers and swims.
summer