The challenge of the nesting sea turtles on Crete
The projects of monitoring and protection of nesting loggerheads in Rethymno, Chania and Messara bay were carried out from the beginning of May to the beginning of October 2021.
Researchers / volunteers of the ARCHELON projects recorded a total of 533 nests on the 31 km of beach that were daily surveyed. The nests were protected from trampling, flooding and photo-pollution. The volunteers informed visitors about the nesting of sea turtles in the area. Public awareness activities reached about 9,600 visitors in Rethymno, 2,700 visitors in Chania and 1,700 in Messara bay. In the areas of Chania and Messara bay, dedicated local volunteers of ARCHELON participated in addition to the volunteers who came from Greece and abroad.

"We thank all the volunteers and field leaders who participated in the projects last summer. They walked many kilometers and gave their best to protect the turtles", says Lydia Koutrouditsou, biologist, Project manager of ARCHELON for Crete.
The Field leaders in 2021were: Eva Horcajo Berna and Mia Kotzageorgi (Monitoring Coordinators), Colette Ballantyne and Tania Gil Anton (Monitoring Leaders ), Mahe Le Blet and Megan McFarland (Public Awareness Leaders), Zonne Van Der Pol (Coordinator), Fabiola Cecchini and Katherine Landy (Public Awareness, Camping and Volunteers), and Paul Grammel (Project Assistant).
"Α big applause to the local authorities and all the beach businesses in Rethymno, Chania and Messara bay, that took care to maintain the nesting habitat for sea turtles by removing beach furniture during the night- we hope that next year every business will do this", adds Lydia.

What about the lights on the beach? “There was the good example of the Municipality of Platanias, Chania, who turned off the public lights during the hatching period, so that the hatchlings would not be disoriented. Again, we hope that more will follow their example ” says Panagiota Theodorou, Coordinator of Legal and Institutional Issues of ARCHELON. “However new challenges were added such as the unauthorized opening of a coastal road from Kalamaki to Afrathias in the gulf of Messara, which destroyed sand dunes", Panagiota continues.
The main nesting beaches of the loggerhead (Caretta caretta) in Crete have been included in 4 Natura 2000 sites as follows: Rethymno beach is included in GR4330004, Chania beach is included in GR4340003 (and a little in GR4340006) and Messara bay beach is included in GR4310004). It is important to note the existing provisions for project environmental impact assessments within Natura 2000 sites must be observed in these areas.
More information on the projects for volunteers:
Rethymno https://www.archelon.gr/eng/volunt_reth.php?mid=2&mid2=53&mid3=62
Chania https://www.archelon.gr/eng/volunt_chan.php?mid=2&mid2=53&mid3=63
Messara bay https://www.archelon.gr/eng/volunt_mess.php?mid=2&mid2=53&mid3=64
The nesting sea turtles in south Peloponnese
The National Action Plan for the Loggerhead sea turtle
RECENT NEWS
- OUR NEWS02/01/2026
Against All Odds: A Story of Marine Resilience from Amvrakikos Gulf
One turtle has been surviving for at least six years without a lower jaw!
- OUR NEWS29/12/2025
“Meetings with Remarkable Animals” A Heartwarming Reward for Our Efforts
Kristi Stassinopoulou shared with us a very personal moment: a sketch and a few pages from her book “Meetings with Remarkable Animals"
- OUR NEWS17/12/2025
ARCHELON’s Research: Expanding the Map of Mediterranean Green Turtles
In recent years, some green turtle nests have been recorded in Greece, indicating that the geographical spread of this species’ nesting areas in the Mediterranean is beginning to expand.
- OUR NEWS12/12/2025
The Power Behind Sea Turtle Conservation: Our 2025 Field Leaders
With deep gratitude, we honor all the Field Leaders who contributed to the success of the 2025 Field Projects.
- OUR NEWS10/12/2025
Unprecedented appearance of Leatherback Turtle on a Mediterranean beach
A new scientific record brings to light an extremely rare event for the marine life of the Mediterranean: the first confirmed appearance of an adult Leatherback Turtle (Dermochelys coriacea) attempting to nest in the Mediterranean basin.
- OUR NEWS08/12/2025
Applications Now Open for 2026 ARCHELON Field Leaders Posts!
ARCHELON is pleased to announce that applications are now open for the 2026 Field Leader positions across all nesting projects (applications open until January 31st).
- OUR NEWS05/12/2025
Saving Sea Turtles Together – A Tribute to Volunteers
On Volunteer Day, we take a moment to celebrate all those who came from near and far, put on the blue T-shirt, and embraced this important responsibility.
- OUR NEWS01/12/2025
Laganas Bay, Zakynthos: Successful Loggerhead Reproduction, Ongoing Habitat Problems
On the beaches of the Zakynthos National Marine Park, around 2,155 turtle nests successfully hatched thanks to active protection measures, but human pressures on coastal and marine habitats continue.
- OUR NEWS26/11/2025
A Second Chance: Two Loggerhead Sea Turtles Return to the Sea Thanks to Dedicated Rescues
This summer, two adult loggerhead sea turtles, ‘Aktaia’ and ‘Herbert’, arrived at ARCHELON’s Sea Turtle Rescue Centre needing urgent help after sustaining severe head injuries.
- OUR NEWS11/11/2025
Volunteering Projects 2026: Sea Turtles Need You, the Planet Needs Us!
ARCHELON welcomes volunteers from all over the world and of all ages (over 18) and no prior experience is required! If you speak English, are at least 18 years old, and are in good physical condition, you can do this!
- OUR NEWS10/11/2025
Outstanding Recognition for ARCHELON at the Effective Dialogue Conference 2025
On Thursday, November 6, 2025, ARCHELON received an honorary distinction for its substantial contribution to effective dialogue on sustainability, social responsibility, and the environment
- OUR NEWS06/11/2025
6th Year of Online Tours: The sea turtles are traveling across Greece once again!
Students from every corner of the country, as well as from international schools, have the opportunity to learn up close about the lives of the turtles cared for at the Sea Turtle Rescue Centre in Glyfada, Attica, and to discover how rescue efforts impact the marine world.
- OUR NEWS31/10/2025
The lecture turned into reality: A real turtle rescue for the students from Kallithea!
The students spotted a sea turtle floating in the water right after their educational tour of the ARCHELON Rescue Centre and immediately notified the rescuers.
- OUR NEWS24/10/2025
LIFE MareNatura Documentary Premier
From seabird monitoring and genetic sampling, to unique underwater footage of marine mammals, the testimonies of scientists bring to life the hidden stories of the sea.
- OUR NEWS23/10/2025
ARCHELON participates in the "Science Festival 2025 – The Voice of the Ocean"
The French Institute of Greece is organizing a celebration from 10 to 27 November 2025 dedicated to science and the ocean! World premiere of the LIFE MareNatura documentary on November 13th.


