Where to Scuba Dive in Sithonia (Scuba Diving & Snorkeling)

Sithonia, the heart of Halkidiki, is not only known for its stunning beaches but also for its incredible underwater world.

From colorful reefs to mysterious caves, scuba diving in Sithonia offers something for everyone, whether you’re a beginner or an experienced diver.

Here’s your ultimate guide on where to scuba dive in Sithonia.

1. Porto Koufo โ€“ The Deepest Natural Harbor

Porto Koufo is a must-visit diving spot. Known as the deepest natural harbor in Greece, it offers calm waters and a rich underwater ecosystem.

  • Highlights: Shipwrecks, underwater caves, and abundant marine life.
  • Best for: Beginners and advanced divers.
  • Local Tip: Join a guided dive to explore hidden caves and tunnels safely.

2. Kalogria Beach โ€“ Reef Diving Near Nikiti

Famous for its sandy shores, Kalogria Beach is also home to a vibrant coral reef, making it perfect for scuba diving.

  • Highlights: Colorful corals, schools of fish, and crystal-clear waters.
  • Best for: Beginners and families.
  • Local Tip: Rent gear from local diving centers in Nikiti or Neos Marmaras.

3. Toroneos Gulf โ€“ Diverse Dive Sites

Located between Sithonia and Kassandra, Toroneos Gulf offers diverse dive sites, from shallow reefs to deeper walls.

  • Highlights: Underwater cliffs, sponges, and occasional dolphin sightings.
  • Best for: Intermediate and advanced divers.
  • Local Tip: Book a boat dive to reach the best spots.

4. Spalathronisia Islets โ€“ Untouched Underwater Paradise

Near Neos Marmaras, these tiny islets offer a pristine diving experience with crystal-clear waters.

  • Highlights: Natural arches, caves, and rich marine biodiversity.
  • Best for: Intermediate divers.
  • Local Tip: Visit early in the morning for the clearest visibility.

5. Lagomandra Beach โ€“ Perfect for Beginner Divers

Lagomandra Beach isnโ€™t just for sunbathing. Its shallow, clear waters make it ideal for first-time divers.

  • Highlights: Sandy bottom, small reefs, and plenty of marine life.
  • Best for: Beginners and kids.
  • Local Tip: Many local dive schools offer beginner courses right on the beach.

6. Vourvourou & Diaporos Island โ€“ Crystal-Clear Lagoons and Hidden Caves

Vourvourou, on Sithoniaโ€™s east coast, is a paradise for snorkeling and scuba diving. Just across the bay lies Diaporos Island, known for its turquoise waters and hidden lagoons.

  • Highlights: The famous Blue Lagoon, underwater caves, and shallow reefs.
  • Best for: Beginners and snorkelers, but also great for experienced divers.
  • Local Tip: Rent a small boat from Vourvourou to explore Diaporos and its secluded diving spots at your own pace.

Best Scuba Diving Centers in Sithonia

Scuba Diving Tips for Sithonia

  • Best Season: May to October, with the warmest waters in July and August.
  • Visibility: Usually ranges from 15 to 30 meters.
  • Water Temperature: Between 20ยฐC (68ยฐF) in spring and up to 26ยฐC (79ยฐF) in summer.
  • Safety First: Always dive with a certified guide and check weather conditions before heading out.

FAQ โ€“ Scuba Diving in Sithonia

Is Sithonia good for scuba diving?
Yes! Sithonia offers a mix of reefs, caves, and wrecks suitable for all levels.

Do I need a certification to scuba dive in Sithonia?
For beginner dives (up to 12m), no certification is needed if you dive with a licensed instructor.

Where can I rent scuba gear in Sithonia?
Diving centers in Nikiti, Neos Marmaras, Toroni, and Vourvourou offer full gear rentals and guided tours.

Are there any shipwrecks to explore?
Yes, Porto Koufo has several accessible shipwrecks that are popular among advanced divers.

Is scuba diving in Sithonia safe for kids?
Absolutely! Many dive centers offer safe and fun beginner dives for kids aged 10 and above.

Can I rent a boat to explore Diaporos Island?
Yes, Vourvourou offers plenty of boat rental options. No license is required for small boats, making it easy to explore the lagoons and dive spots around Diaporos.


Scuba diving in Sithonia is something that you will never forget, From chasing rainbow-colored reefs to finding hidden caves. Grab your gear and dive into the Aegeanโ€™s crystal-clear waters!

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