The Ikarian Diet: What people eat on the Greek Island "Where People Forget to Die"

On the Greek island of Ikaria, reaching your 90th birthday barely raises an eyebrow. This small, mountainous island in the Aegean Sea has earned the nickname "The Island Where People Forget to Die." And while that phrase makes for good headlines, the science behind Ikarian longevity is more nuanced than any single food or habit.

What Is a Blue Zone?

The term "Blue Zone" refers to geographic areas where people live measurably longer lives. Demographers Michel Poulain and Gianni Pes first identified the concept while studying centenarian populations in Sardinia, Italy, in 2000. Since then, researchers have validated four primary Blue Zones: Sardinia, Okinawa (Japan), Ikaria (Greece), and the Nicoya Peninsula (Costa Rica). However, recent research suggests that Okinawa and Nicoya may no longer exhibit the same exceptional longevity patterns due to lifestyle changes, while Sardinia and Ikaria continue to meet validation criteria.

What makes these regions Blue Zones isn't the presence of a few remarkable individuals. It's the statistical pattern. In Ikaria, for example, the percentage of people reaching age 90 is approximately 1%, compared to roughly 0.1% in the rest of Europe. A 2009 study led by researchers from the University of Athens found that over 13% of the island's study participants were over 80 years old, far exceeding European averages.

But Blue Zone research comes with important caveats. A researcher at University College London named Saul Justin Newman has raised methodological questions about age verification in longevity studies, noting that regions with poor historical record-keeping often report higher numbers of centenarians. However, a December 2025 peer-reviewed paper in The Gerontologist by Dr. Steven Austad and Dr. Giovanni Pes reaffirmed that the validated Blue Zones have undergone rigorous age verification using civil registries, church records, and genealogical reconstruction.

The Ikarian Version of the Mediterranean Diet

Ikarians follow a variation of the Mediterranean diet, but with distinct local characteristics. Chef and food writer Diane Kochilas, who has written extensively about Ikarian cooking, describes it as "always seasonal and simple."

The core of the diet includes:

Wild greens (horta). More than 150 varieties of edible wild greens grow on Ikaria. These include dandelion, chicory, arugula, amaranth, purslane, and fennel. Ikarians forage these greens and prepare them boiled with olive oil and lemon juice. Wild greens are high in antioxidants and minerals like calcium and iron.

Legumes. Black-eyed peas, lentils, chickpeas, and broad beans appear in nearly every meal. The famous Ikarian longevity stew combines black-eyed peas with tomatoes, carrots, and greens cooked in olive oil. Legumes provide plant-based protein, fiber, and B vitamins.

Olive oil. Ikarians use olive oil generously. It's their primary cooking fat and finishing oil. Olive oil contains monounsaturated fats and polyphenols that support cardiovascular health. The PREDIMED trial, a large randomized controlled study published in the New England Journal of Medicine, found that a Mediterranean diet supplemented with olive oil reduced cardiovascular events by approximately 30%. (The study was retracted and republished in 2018 due to randomization protocol deviations at some sites; reanalysis confirmed the original findings.)

Herbal teas. Ikarians drink herbal infusions daily. Common herbs include Greek mountain tea (sideritis), sage, rosemary, oregano, wild mint, and chamomile. A 2018 randomized controlled trial published in the journal Nutrients found that Greek mountain tea consumption was associated with reduced state anxiety and improved cognitive performance in healthy older adults. These teas act as mild diuretics, which may help maintain healthy blood pressure.

Goat dairy. Unlike much of the Western world, Ikarians primarily consume goat milk, yogurt, and cheese rather than cow dairy. Goat dairy is easier to digest for people with lactose sensitivity and contains different protein structures than cow milk.

Honey. Local thyme honey sweetens tea and appears in desserts. Greek honey contains antibacterial compounds and antioxidants.

Red wine. Ikarians drink wine regularly, typically with meals. Most wine consumed on the island is locally produced. A 2021 study of Ikarians over 90 found that 96.4% of wine consumed was locally made.

What Ikarians Don't Eat

The foods absent from the traditional Ikarian diet may matter as much as what's present.

Meat appears infrequently, about five times per month in traditional households. Fish is eaten only six to eight times monthly because the sea was historically difficult to access from the mountainous interior. Refined sugar and white flour simply don't exist in the traditional diet. Processed foods are rare.

A study of Ikarians over 80 years old found their average daily calorie intake was modest: approximately 1,425 calories for men and 1,087 calories for women. Over half their calories came from fat, primarily olive oil. Their adherence to the Mediterranean diet, measured using validated questionnaires, has scored between 63% and 69% across different studies.

Beyond Diet: The Full Picture

Researchers who have studied Ikaria emphasize that diet alone doesn't explain the longevity patterns. The lifestyle context matters enormously.

Physical activity. A 2021 study found that 71.8% of Ikarians aged 90 and above maintained moderate or high levels of physical activity. The mountainous terrain means daily walking. Gardening remains common well into old age. This activity isn't exercise in the gym sense. It's movement integrated into daily life.

Social connection. About 78% of Ikarians over 90 report daily social contact. The island hosts regular community festivals called Panigiria where residents gather, dance, eat, and drink together. Strong family ties and neighborhood relationships persist into old age.

Afternoon naps. The vast majority of elderly Ikarians take daily naps. The 2011 Ikaria Study found that almost all participants napped regularly, with all participants over 90 reporting that they slept at noon. Research on napping suggests short daily rest may benefit cardiovascular health.

Slow pace. Ikarians don't live by the clock. The island essentially shuts down for afternoon rest. This lower stress environment may contribute to the low rates of depression found among elderly islanders.

Low rates of depression. Studies using the Geriatric Depression Scale found that Ikarian elders score remarkably low, with average scores under 5 indicating minimal depressive symptoms. By comparison, studies of other Greek islands found 25% to 35% of elderly participants with intense depressive symptoms.

What the Research Actually Shows

The Mediterranean diet has strong scientific support across multiple health outcomes. A systematic review in the Journal of Internal Medicine found consistent evidence that Mediterranean diet adherence reduces cardiovascular disease risk and overall mortality. The PREDIMED trial demonstrated reduced rates of stroke and heart disease.

Regarding brain health, Dan Buettner has claimed Ikaria has "virtually no Alzheimer's disease or other dementia" among its oldest residents. A 2019 study of Ikarians over 90 found that while cognitive function varied, depression was infrequent, occurring in only about 12% of participants. However, some specific dementia claims have not been independently verified through rigorous epidemiological study.

The question of causation remains complex. Do Ikarians live longer because of their diet? Or do healthier, longer-lived people continue eating traditional foods longer? Probably both. Longitudinal studies can't fully disentangle genetics, environment, diet, social connection, physical activity, and stress levels.

The Criticism Worth Considering

Not everyone accepts the Blue Zone narrative without skepticism. Saul Newman's research has highlighted that areas with poor historical record-keeping, poverty, and shorter average life expectancy sometimes report unusually high numbers of centenarians. He argues this pattern suggests data quality problems, possibly including pension fraud or clerical errors.

Defenders of Blue Zone research counter that the validated Blue Zones underwent rigorous age verification. In Sardinia, for instance, researchers cross-checked civil databases back to 1866, ecclesiastical archives from the 17th century, and reconstructed family genealogies. A December 2025 peer-reviewed paper in The Gerontologist found that the longevity patterns in validated Blue Zones survive strict demographic methods.

The truth likely sits somewhere in the middle. The specific statistics about centenarians deserve continued scrutiny. But the broader patterns of healthy aging in these communities, and the lifestyle factors that support them, have more robust evidence.

Bringing Ikaria to Your Kitchen

You don't need to move to a Greek island to incorporate Ikarian eating principles into your life.

Start with greens. Add more leafy vegetables to your meals. Dandelion greens, which many in the US treat as weeds, are traditional Ikarian food. Sauté them with olive oil and garlic.

Eat more legumes. Make beans, lentils, or chickpeas a regular part of your meals. A simple lentil soup with olive oil, onion, garlic, and a squeeze of lemon captures the spirit of Ikarian cooking.

Use olive oil generously. Replace other cooking fats with extra virgin olive oil. Drizzle it on salads, vegetables, and bread.

Drink herbal tea. Greek mountain tea (sideritis) is available online and in specialty stores. Or make tea from rosemary, sage, or mint grown in your garden or bought fresh.

Slow down meals. Eat with other people when possible. Put away phones. Take time to enjoy the food.