Caretta-caretta nesting season started in Rethymno (Crete)!
Itʼs well known that Crete hosts three very significant caretta nesting beaches in Rethymno, Chania and Messaraʼs Bay. Although these areas are critical for the Mediterranean sea and a major part of them has been included in the NATURA European network of protected areas as should, they still remain with no legal protection status facing a number of threatening to their future issues.
Creteʼs caretta nesting beaches have been downgraded enough because of the uncontrolled tourist development during the 80s and 90s. The sand dunes face destruction as they are at a large scale being rapidly eroded, and finally the beach is almost disappearing.
The large number of beach umbrellas and reclining chairs that are left on the beach at night impede the slow travel of the female turtles as they make their way up to the dune line to nest. The bright artificial lights are fatal for hatchlings as they become confused and disoriented.
At the same time, a greater threat comes from the sea, since each year many sea turtles are reported dead or injured, mainly due to inadvertent capture in fishing lines and nets.
After all, it is not that strange the number of nests in Rethymno and Chania is declining, stressing the imperative need to take all appropriate measures for their protection immediately.
The importance of the turtles laying beaches in Crete has been established beyond any doubt. ARCHELON has been working systematically in Rethymno since 1989 collecting nesting data, protecting the nests threatened and informing the public.
The field work is conducted with the permission of the competent Ministry of Agriculture and the support of the local authorities and municipalities, by trained volunteers who come particularly for this purpose from around the globe.
ARCHELON jointly with the Municipality of Arkadi reconstructed the old school building in Pagkalohori and turned it to a Nature Information Centre, hosting appropriate environmental learning programs for schools and organized groups.
Please note the sea turtles reproducing in Rethymno, Chania and in the Bay of Messara each form a particular and independent population not related to the ones of Zakynthos and Kyparissia. We were able to document this thanks to our long term tagging program.
Remarkably, marine turtles from each region, even if they make long journeys for feeding reasons up to the North Adriatic Sea and Tunisia, the adult females return back to their own hatch site to lay their own clutches of eggs.
It is important to address the threats to sea turtles and the natural habitats upon which they depend. ARCHELON has been doing exactly that for more than 25 years now. With your help we can do more.
Your support will help us ensure sea turtles are swimming free in the sea for future generations!
Marathonisi in Zakynthos: a special nesting beach
The very first caretta caretta nest in the Bay of Kyparissia for 2009!
RECENT NEWS
- OUR NEWS23/10/2026
ARCHELON's Virtual Tours Return for the 2026–2027 School Year!
A new school year filled with knowledge, creativity, and sea turtles is about to begin! Bookings for ARCHELON's virtual tours open on Monday, October 26, while the first tours will take place on Monday, November 2, 2026.
- OUR NEWS21/10/2026
Incident on Polyaigos Island: ARCHELON Calls on Authorities to Investigate the Death of a Sea Turtle
- OUR NEWS14/10/2026
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This is where diagnostic examinations play a crucial role. X-rays are an invaluable tool for our rehabilitation team, both upon admission and throughout the recovery process, helping us determine the appropriate treatment and monitor each turtle’s progress.
- OUR NEWS09/10/2026
“Guardians of our ancient sea”: The 8th Mediterranean Conference on Marine Turtles takes place in Greece
The conference is expected to host 240 delegates from 20 Mediterranean countries, including leading researchers and scientists, as well as representatives from protected area management bodies and environmental organizations.
- OUR NEWS06/10/2026
A Wildlife Weekend at the Museum
On the weekend of October 3rd and 4th, ARCHELON participated in the "Wild Weekend", a two-day celebration dedicated to wildlife at the Goulandris Natural History Museum.
- OUR NEWS01/10/2026
October for sea turtles: Help us care for our sea turtle patients this winter
This October, we are launching a fundraising campaign with one clear goal: to raise €5,000 to support the care of our sea turtle patients through the end of 2026.
- OUR NEWS25/09/2026
Together for Crete’s nesting beaches: "Turtle-Friendly Hotel" award ceremonies in Chania and Rethymno
ARCHELON hosted the award ceremonies for the new Turtle-Friendly Hotel certification, as part of the TUI Turtle Aid Greece program in Crete.
- OUR NEWS23/09/2026
We bade farewell to Omiros, the blind sea turtle that traveled from Greece to Cornwall
In September 2026 Omiros, a male Loggerhead sea turtle with a remarkable story, passed away. He had spent the last 16 years of his life at the Blue Reef Aquarium in Cornwall, having traveled there from Greece.
- OUR NEWS10/09/2026
Sea turtles kept in a restaurant tank in Chania: True love for nature begins with respect.
We all feel a sense of excitement when we encounter a wild animal up close. It is only natural to want to connect with nature, observe it and understand it better.
- OUR NEWS09/09/2026
Schools are back at ARCHELON! A new year full of learning and action
The new school year is beginning, and with it, the voices, questions, and excitement of thousands of students return to ARCHELON’s Sea Turtle Rescue Centre.
- OUR NEWS06/09/2026
Sea Turtle Hatchlings Captivated All Ages in Corfu
- OUR NEWS01/09/2026
Taking time off work to volunteer for the sea turtles in Greece: Amy’s month with ARCHELON in southern Peloponnese
When Amy Carey was 10 years old, she came face to face with a sea turtle while on holiday in Greece. Decades later, at 47, she decided it was time to turn that childhood memory into reality.
- OUR NEWS13/08/2026
Hatchlings need help in September and October: Special volunteer offer for 2 weeks!
In order to protect the nests and the last hatchlings of this year, we need the help of more volunteers!
- OUR NEWS10/08/2026
One beach party canceled, 66 nests saved in Chania!
A significant victory for the protection of sea turtles in Chania, thanks to the direct cooperation of ARCHELON and NECCA.
- OUR NEWS07/08/2026
Sea turtles of the Saronic Gulf: Why feeding them is not an act of love
The Municipality of Saronikos and ARCHELON are campaigning for the safe and proper coexistence of bathers and wildlife.


