• Detailed Comparison, differences and similarities
• Best For Attractions & Sightseeing
• Best For Beaches
• Most Romantic
• Best For Nightlife
• Best For Families
• Best For Wineries
• Best For Foodies
• Alternative Greek islands

As you know, Greece has no shortage of amazing islands to visit. Did you know that there are more than 2,000 Greek islands? Only about 227 of them are inhabited, which narrows it down a bit, but still… I know how hard it can be to pick one to visit for your next holiday.

Santorini and Zakynthos are two of the most popular Greek islands, but they represent completely different island experiences – like comparing a dramatic volcanic masterpiece to a tropical paradise.

But what happens if you really have to pick one?
Which one should it be?

Santorini vs Zakynthos: The Ultimate Comparison

If you want the most iconic Greek island experience with dramatic sunsets and world-famous romance, choose Santorini. However, be prepared for serious crowds, especially in summer 2025. If you’re seeking some of the most beautiful golden sand beaches in Europe, turquoise waters, and a more authentic Greek experience with Venetian charm, then Zakynthos is your paradise. But here’s the reality check: Zakynthos has recently been named Europe’s most crowded destination due to overtourism issues.

The fundamental difference between these islands lies in their geographical location and character. Santorini sits in the Cyclades with its signature white-blue architecture, while Zakynthos is an Ionian gem with lush green landscapes and some of the most spectacular beaches you’ll ever see.

If I could sum up the island comparison in one table, then it would be this:

Now let’s dive deeper into which island wins in every category:

Best Island for Attractions & Sightseeing: Santorini

While both islands offer incredible sightseeing opportunities, Santorini takes the crown for sheer variety and iconic attractions that you simply can’t find anywhere else in the world.

Detailed Comparison:

• Santorini offers the unique experience of exploring an active volcanic crater – you can literally walk on a live volcano and swim in volcanic hot springs
• Zakynthos boasts the famous Navagio (Shipwreck) Beach, one of the most photographed locations in Greece, plus stunning Blue Caves
• Santorini has world-class museums including the Akrotiri Archaeological Site (often called the “Pompeii of the Aegean”)
• Zakynthos offers incredible wildlife experiences, particularly sea turtle spotting at Gerakas Beach and Marathonisi Island
• Santorini villages like Oia, Fira, and Pyrgos are architectural marvels with their cliff-hanging white buildings
• Zakynthos has charming traditional villages like Volimes and Exo Hora, plus the historic Anafonitria Monastery

Best Island for Beaches: Zakynthos

Detailed Comparison:

• Zakynthos features world-famous beaches like Navagio (Shipwreck), Gerakas, Laganas, and Kalamaki with golden sand and shallow, warm waters
• Santorini offers unique volcanic beaches with dramatic black sand (Kamari, Perissa) and the striking Red Beach
• Zakynthos waters are perfect for families – shallow, warm, and crystal clear with excellent visibility for snorkeling
• Santorini beaches drop off quickly into deep water, which can be challenging for children but great for swimming
• Zakynthos offers diverse beach experiences from party beaches (Laganas) to secluded coves (Porto Limnionas)
• Santorini beaches provide stunning views but limited beach space due to the island’s cliff geography

Most Romantic Island: Santorini

Detailed Comparison:

• Santorini is globally recognized as one of the world’s top 3 romantic destinations, famous for proposals and honeymoons
• Zakynthos offers natural beauty and romantic beaches but lacks the dramatic cliff-top dining and iconic sunset views
• Santorini has infinity pools overlooking the caldera, cave hotels, and world-class restaurants with sunset views
• Zakynthos provides romantic boat trips, secluded beaches, and beautiful Venetian-influenced settings

Best Island for Families: Zakynthos

For families with children, Zakynthos is the clear winner. The island offers everything families need: safe beaches, excellent family resorts, and activities that kids will love, plus the excitement of spotting sea turtles.

Why Zakynthos wins for families:

• Golden sand beaches with shallow, warm water perfect for children
• Excellent family resorts with kids’ clubs, water parks, and family-friendly facilities
• Turtle spotting excursions that kids absolutely love
• Water Village theme park for a fun day out
• Easy, safe terrain without dangerous cliffs

Best Island for Wine Lovers: Santorini

Santorini is one of Europe’s most unique wine destinations, producing wines from vines that are hundreds of years old and grown in volcanic soil. While Zakynthos has pleasant wineries, they can’t compete with Santorini’s combination of unique terroir and spectacular settings.

• Santorini has over 16 wineries producing award-winning Assyrtiko and Vinsanto wines
• Zakynthos has several quality wineries including Solomos Wines and Callinico Winery Museum
• Santorini offers wine tastings with caldera views – an experience you can’t get anywhere else
• Zakynthos wineries provide a more intimate, local experience with traditional grape varieties

Best Island for Foodies: Zakynthos

Both islands offer incredible dining, but Zakynthos edges ahead with its more authentic local cuisine, Venetian influences, and better value for money. The island’s location in the Ionian Sea means different seafood varieties and cooking traditions compared to the Cyclades.

Zakynthos culinary highlights:

• Signature dishes like skordostoumbi (aubergines with garlic and tomato)
• Ladotyri cheese – a spicy, aged cheese preserved in olive oil
• Fresh seafood directly from local fishermen
• Traditional tavernas with authentic local recipes
• Venetian-influenced cuisine unique to the Ionian islands

Best Island for Nightlife: Tie (Different Styles)

Both islands offer excellent nightlife, but with completely different vibes:

• Santorini: Sophisticated sunset cocktail bars, wine bars, and upscale lounges
• Zakynthos: Beach clubs, traditional Greek tavernas with live music, and the famous party scene in Laganas

Which Island Should You Choose: Santorini or Zakynthos?

The choice ultimately depends on what type of Greek island experience you’re seeking. Here’s my honest recommendation:

Choose Santorini if:

• This is your first time in Greece and you want the iconic experience
• You’re on a romantic getaway or honeymoon
• You prioritize dramatic scenery over beach time
• You enjoy wine tasting and unique volcanic landscapes
• You don’t mind crowds and higher prices for a unique experience

Choose Zakynthos if:

• You’re traveling with family and want safe, beautiful beaches
• Beach time is your priority and you want golden sand
• You prefer better value for money
• You want to experience authentic Greek island life
• You’re interested in wildlife experiences (sea turtles)

Beyond Santorini and Zakynthos?

Given the overtourism issues affecting both islands in 2025, you might want to consider these incredible alternatives:

• Paros: Beautiful Cycladic architecture without Santorini’s crowds
• Naxos: Excellent beaches and authentic Greek culture
• Kefalonia: Ionian beauty similar to Zakynthos but less crowded
• Milos: Unique volcanic beaches without Santorini’s prices

Final Thoughts

Both Santorini and Zakynthos are exceptional Greek islands that offer unforgettable experiences. The key is understanding what type of vacation you’re seeking and being prepared for the reality of visiting two of Greece’s most popular destinations in 2025.

If you choose Santorini, book well in advance and consider visiting in late spring or early fall. If Zakynthos calls to you, focus on the northern parts of the island for a more authentic experience away from the crowds.

Remember: both islands require rental cars to truly explore their beauty, and both offer incredible value despite their popularity. The choice is yours – dramatic volcanic romance or pristine beach paradise?

Whichever you choose, you’re in for an incredible Greek island adventure!