A full-day boat tour from Kissamos to Gramvousa Island and Balos Lagoon combines a Venetian castle climb, turquoise shallow bays, and wildlife sightings. Plan for a long day, sturdy footwear, and calm seas to make the most of the lagoon’s colors and the island’s views.
More ways to explore the area's outdoor wonders
A turquoise horizon opens as the boat slips away from Kissamos harbor, salt-slick air pushing at your face and the profile of Gramvousa rising ahead—a sheer cliff crowned by a weathered Venetian castle.
Difficulty
moderate
Duration
14 hours
Fitness Level
Suitable for travelers with average fitness; requires ability to climb steep stone steps and walk on sand and uneven rock.
Wildlife
History
Gramvousa’s Venetian fortress played a defensive role for centuries and later sheltered Greek revolutionaries who turned to piracy to survive during the 1821 revolt.
Conservation
Balos and surrounding waters include sensitive Posidonia seagrass and turtle nesting habitat—follow local rules, avoid anchoring on seagrass, and minimize disturbance to wildlife.
Reserve your spot on the Gramvousa-Balos Tour today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Start early from Chania or Rethimno
Morning departures reduce crossing chop and give you more time ashore at both Gramvousa and Balos.
Footwear for mixed terrain
Bring water shoes or sandals with good soles for rocky approaches and a pair of light hiking shoes for the castle steps.
Protect sea life
Avoid walking on seagrass beds, keep distance from turtles and seals, and carry out all rubbish to protect nesting habitats.
Hydrate and sun-protect
The shallow lagoon reflects heat—carry 2–3 liters of water, sunscreen, and a wide-brim hat for a long shore stay.
Sturdy water shoes
Protect feet on rocky landings and in shallow water around Balos.
summer
Daypack with 2–3L water
Keeps hydration, snacks, and sun protection handy during long beach stays.
summer
Light hiking shoes or trekking sandals
Useful for the Venetian castle climb and scrambling on trails.
spring
Sun protection (hat, SPF 30+ sunscreen, sunglasses)
The exposed lagoon and boat deck offer little shade—high UV protection is essential.
summer