Set sail from Heraklion to Dia Island on a spacious catamaran for a day of swimming, snorkeling, and paddleboarding—plus a freshly prepared Cretan lunch. This easy, 6‑hour cruise mixes relaxed sunbathing with close encounters of the marine kind.
Set sail from Heraklion to Dia Island on a spacious catamaran for a day of swimming, snorkeling, and paddleboarding—plus a freshly prepared Cretan lunch. This easy, 6‑hour cruise mixes relaxed sunbathing with close encounters of the marine kind.
Morning light strips across the Aegean as the Lagoon‑style catamaran slips from Heraklion’s quay—deck warm underfoot, sea daring you to step over the rail. In an hour the shoreline drops away and Dia Island appears: low, rocky, hemmed by transparent water that makes the island seem to float.
Verified experiences and guided adventures in the surrounding area.
Operated by Green Cruises · Heraklion, Crete
Morning light strips across the Aegean as the Lagoon‑style catamaran slips from Heraklion’s quay—deck warm underfoot, sea daring you to step over the rail. In an hour the shoreline drops away and Dia Island appears: low, rocky, hemmed by transparent water that makes the island seem to float.
Dia’s stones are Cretan limestone carved by wind and waves; the island has been a navigational landmark since antiquity and shows layers of Venetian and Ottoman-era maritime use. The north coast’s shallow reefs and Posidonia meadows sustain fish, occasional loggerhead turtles, and the dolphins that often join the bow wave. Local crews still prepare Crete’s simple staples—fresh pasta, fruit, and white wine—that reflect the island’s agricultural hinterland.
This trip balances relaxed cruising with active choices: swim in glassy coves, don a snorkel to explore rocky drop-offs, or push off on a SUP and scan the seabed. The catamaran platform makes entries easy and gives ample space to sunbathe or swap a camera for an underwater mask.
Practical notes: departures are from Heraklion port and the round trip runs about six hours; sea conditions can change quickly—check forecasts and arrive with sun protection and reef‑friendly sunscreen. The operator supplies snorkeling gear, bottled water, and a cooked lunch; bring water shoes for rocky landings and a dry bag for electronics. Aim for morning departures to avoid stronger afternoon winds and to enjoy clearer water for snorkeling.
Departures are from Heraklion port; meet at the designated boarding point given on your booking confirmation.
Yes—snorkels, masks, and fins are provided for guests during the trip.
Yes; the SUPs are offered at no extra charge and are suitable for beginners in calm conditions under crew supervision.
Lunch (traditional Cretan pasta), bottled water, soft drinks, fruit, and a selection of alcoholic beverages are included in the price.
Green Cruises operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




Morning light strips across the Aegean as the Lagoon‑style catamaran slips from Heraklion’s quay—deck warm underfoot, sea daring you to step over the rail. In an hour the shoreline drops away and Dia Island appears: low, rocky, hemmed by transparent water that makes the island seem to float.
Morning light strips across the Aegean as the Lagoon‑style catamaran slips from Heraklion’s quay—deck warm underfoot, sea daring you to step over the rail. In an hour the shoreline drops away and Dia Island appears: low, rocky, hemmed by transparent water that makes the island seem to float.
Dia’s stones are Cretan limestone carved by wind and waves; the island has been a navigational landmark since antiquity and shows layers of Venetian and Ottoman-era maritime use. The north coast’s shallow reefs and Posidonia meadows sustain fish, occasional loggerhead turtles, and the dolphins that often join the bow wave. Local crews still prepare Crete’s simple staples—fresh pasta, fruit, and white wine—that reflect the island’s agricultural hinterland.
This trip balances relaxed cruising with active choices: swim in glassy coves, don a snorkel to explore rocky drop-offs, or push off on a SUP and scan the seabed. The catamaran platform makes entries easy and gives ample space to sunbathe or swap a camera for an underwater mask.
Practical notes: departures are from Heraklion port and the round trip runs about six hours; sea conditions can change quickly—check forecasts and arrive with sun protection and reef‑friendly sunscreen. The operator supplies snorkeling gear, bottled water, and a cooked lunch; bring water shoes for rocky landings and a dry bag for electronics. Aim for morning departures to avoid stronger afternoon winds and to enjoy clearer water for snorkeling.