Sail from Hersonissos to the protected shores of Dia Island aboard a luxury catamaran. Spend six-and-a-half hours swimming, snorkeling, SUPing and enjoying a Mediterranean lunch with unlimited drinks.
More ways to explore the area's outdoor wonders
The catamaran slides away from Hersonissos harbor and the mainland shrinks into a low line of white buildings; the sea opens and the pale cliffs of Dia rise ahead like a place cut out of wind and limestone. Sunbeds invite slow wakefulness while the crew sets a light brunch; music threads through conversation as the boat eases into the protected waters around Dia.
Difficulty
easy
Duration
6–7 hours
Fitness Level
Suitable for most fitness levels; participants should be able to step on and off a small tender and swim short distances.
Wildlife
History
Dia appears in local myth as linked to Zeus; its strategic position north of Crete also made it a navigational landmark through Venetian and Ottoman eras.
Conservation
Dia is part of a Natura 2000 protected area—respecting no-anchoring zones and avoiding disturbance helps protect seagrass beds and marine life.
Reserve your spot on the Hersonissos: Dia Catamaran Cruise with Lunch & Drinks today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Sun protection is essential
Bring reef-safe sunscreen, a wide-brim hat and sunglasses—the catamaran has limited shaded deck space.
Prepare for choppy afternoons
Northern winds (meltemi) can increase after midday—secure loose items and consider motion-sickness medication if you’re sensitive.
Footwear for rocky shores
Pack light water shoes for hopping on and off small coves or rocky landings around Dia.
Respect the protected area
Avoid touching seagrass beds and follow crew guidance on swim spots to protect marine life.
Reef-safe sunscreen
Protects skin and local seagrass ecosystems while you lounge or snorkel.
summer
Swimsuit and quick-dry towel
Useful for multiple swims and for staying comfortable on the deck.
summer
Light water shoes
Helps when stepping onto pebbled coves or slippery rocks around the island.
spring
Windbreaker or light jacket
Even in summer, late-afternoon sea breezes can be chilly on an exposed deck.
summer