The North Aegean region of Greece, encompassing a cluster of stunning islands, is a treasure trove of underwater wonders. With a history that extends back to ancient times, the seabed here is not only a habitat for diverse marine life but also a resting place for remnants of the past.

The Wreck of the Bristol Beaufighter: Located off the coast of Samos, this World War II British aircraft is a mesmerizing dive site. Sitting at a depth of approximately 27 meters, it's a haunting and historic dive.

Lemnos Walls: Off the coast of Lemnos, divers can explore dramatic underwater walls and caves, teeming with marine life and offering depths up to 40 meters.

Ikaria's Rocky Shores: The rocky coastline of Ikaria provides an array of shallow dives, with a plethora of marine life, making it ideal for novices.

Agios Isidoros, Chios: A sheltered bay with crystal-clear waters and a diverse underwater landscape, it’s perfect for those new to diving.

The North Aegean sea boasts a rich marine ecosystem. Divers can witness schools of sardines, colorful wrasses, curious octopuses, and even the elusive seahorse. The rocky seabed, festooned with soft corals, sponges, and anemones, adds vibrancy to the dive experience.

The prime diving season in the North Aegean spans from May to October, with water temperatures ranging from 66°F to 78°F (19°C to 26°C). Visibility is often impressive, with up to 30 meters clarity in certain locations.

Diving in the North Aegean region is quite affordable when compared to other European diving destinations. A single boat dive might cost between $50 to $80. Prices usually include basic diving equipment, but specialty gear or certifications may cost extra.

In conclusion, the North Aegean region, with its crystal-clear waters and a mix of natural and historical underwater sites, offers divers a unique opportunity to explore the mysteries of the deep while soaking in the rich history of the area. Whether you're a novice or a seasoned diver, there's something in the North Aegean waters for everyone.