You’ll ride a small speedboat from Dubrovnik with a local guide who knows when to dodge crowds at the Blue Cave and Green Caves. Swim in glowing blue water, snorkel among fish, then unwind at sandy Šunj Beach with drinks included. Expect laughter, salt on your skin, and moments that stick long after you’ve dried off.
The first thing I remember is the slap of salt spray against my face as we pulled away from Lapadska obala marina — not harsh, just enough to wake me up. Our guide, Marko, grinned and handed out cold bottles of water (he kept saying “hydration is key!”) while the engine hummed under our feet. Dubrovnik shrank behind us, all stone and orange roofs, until it was just a line on the horizon. I could smell sunscreen and something sweet — maybe someone’s juice — mixing with the sea air.
The Blue Cave on Koločep was quieter than I expected. Marko timed it so we’d get there before any crowds; there were only a couple of other swimmers floating in that weird electric-blue light. It’s hard to explain how the color feels — you’re underwater but it glows around you, almost like swimming inside a sapphire. My friend tried to take a selfie and dropped her snorkel; Marko just laughed and dove down after it like he does this every day (which he probably does). The Green Caves were next, less famous but honestly just as cool — mossy light filtering through cracks, little fish darting past your hands if you stay still enough.
I didn’t realize how much I’d want to just sit somewhere soft after all that swimming. Šunj Beach on Lopud was perfect for that — warm sand underfoot, shallow water stretching out forever. There’s this bar tucked into the trees where they poured us cold white wine and let us linger longer than planned (nobody seemed in a rush). Some people sprawled in the shade or wandered off for coffee; I mostly watched kids building lopsided sandcastles while my skin dried salty. The whole trip felt loose around the edges — not rushed or showy.
On the way back to Dubrovnik, sunburned and happy-tired, I caught myself thinking about that blue glow again. It’s one of those colors you can’t really photograph right. If you go on this day trip from Dubrovnik to the Elafiti Islands, don’t forget to look up when you’re floating in those caves — it’s quieter than you’d think.
Operated by DUBROVNIK BOAT TRIPS
Same experience, different operators — compare price, rating and length.
Dubrovnik Blue & Green Cave Speedboat Tour with Drinks★ 4.94 (468)4hENUS$ 67
Dubrovnik Blue & Green Cave Tour with Sunj Beach StopSwim in Dubrovnik’s Blue & Green Caves, snorkel Kolocep’s clear waters, and relax at Sunj Beach with drinks included on this small group speedboat tour.★ 4.97 (714)4hENUS$ 65View ›
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Dubrovnik Elafiti Islands: Blue Cave & Šunj Beach Speedboat TourSwim in the Blue Cave, snorkel the Green Caves, and relax on Šunj Beach with drinks included. Early start from Dubrovnik to beat crowds. Book your spot now.★ 4.94 (205)4hENUS$ 62View ›
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Dubrovnik: Elaphiti Islands Speedboat & Blue Cave SwimmingPrivate speedboat tour of the Elaphiti Islands from Dubrovnik with snorkeling, Blue and Green Caves, and Šunj Beach. Includes skipper, drinks, and optional lunch.★ 4.98 (699)4h–8hENUS$ 395per groupView ›
Dubrovnik: Blue Cave & Šunj Beach Boat Tour Small GroupBlue Cave, three sea caves, and Šunj Beach tour with snorkeling gear, beer and wine included. Small groups with local skipper. Weather-dependent; free reschedule if cancelled.★ 4.88 (490)4hEN · HRUS$ 59View ›
Dubrovnik: Blue Cave & Elaphiti Islands Catamaran TourStep onto a spacious catamaran for a relaxed Blue Cave day trip from Dubrovnik, with snorkeling, sandy Šunj Beach, drinks, and a local skipper. Includes swimming stops.★ 4.90 (1,383)4hEN · ESUS$ 81View ›
Dubrovnik: Elaphiti Islands Boat Tour & Swimming with LunchFull-day boat tour from Dubrovnik to Lopud, Šipan, and Koločep islands with swimming, lunch on board, and wine included. Hotel pickup available. Small group tour.★ 4.68 (317)8hEN · HRUS$ 30View ›
Elafiti Islands: Private Speedboat Tour & Blue Cave SwimStart early from Dubrovnik for a private speedboat tour to the Elafiti Islands, swim in the Blue Cave, snorkel clear waters, and unwind at Sunj Beach with drinks included.★ 4.96 (238)4hENUS$ 392per groupView ›
Dubrovnik Elafiti Islands: Private Boat Tour & SnorkelingSet out from Dubrovnik on a private boat tour to the Elafiti Islands and Mljet, with swimming, snorkeling, and lunch stops. Flexible route with local skipper.★ 5.00 (86)4h–8hEN · FRUS$ 844per groupView ›
Dubrovnik: Blue Cave & 7 Caves Speedboat Tour, 4 HoursSmall-group speedboat tour to Dubrovnik's Blue Cave and sea caves. Includes snorkeling gear, drinks, and 4 hours of swimming and photo stops.★ 4.98 (1,666)4hENUS$ 64View › Dubrovnik Blue & Green Cave Speedboat Tour with Drinks
4h · EN
from US$ 67 per person
★★★★★★★★★★4.94468 reviews