Souda Rock in Rethymno, Greece, offers a diverse underwater landscape featuring a reef, a canyon, and seagrass beds. The site is suitable for beginners, with depths ranging from 10 to 20 metres and an average depth of 12 metres. Divers can expect mild currents and visibility between 10 and 30 metres. A halocline is occasionally observed where fresh water mixes with the seawater. Both shore and boat entries are possible, and typical dives last around 40 minutes. Water temperatures fluctuate throughout the year, ranging from 16C in March to 25C in August and September. Always check local conditions and sea state before planning a dive.

Souda Pierced Rock in Rethymno, Greece, offers a diverse underwater environment featuring a natural reef, a canyon, and an artificial reef structure. Suitable for beginners, the site ranges in depth from 3 to 20 metres with an average of 12 metres. Divers can access the site via shore or boat entry. Conditions are generally mild, with visibility typically between 10 and 30 metres and light currents. Divers should maintain good buoyancy control to avoid contact with sharp rocks and coral edges within the canyon and artificial reef sections. Typical dive times are around 40 minutes, and the site is accessible throughout the year.

Dragon's Nose in Rethymno, Greece, offers a combination of cave and reef diving. Divers typically explore depths between 12 and 22 metres, with an average depth of 15 metres. The site is accessible only by boat, which helps maintain conditions and manage diver numbers. Visibility ranges from 20 to 30 metres, assisting with navigation into the cave system. A mild current is generally present, making the site suitable for intermediate divers. Water temperatures fluctuate between 16C and 25C throughout the year. Facilities are limited at this location, so divers should confirm equipment rental and air fill availability with a local dive centre before planning a trip.

Chimney Cave near Rethymno offers a combined cavern and wall diving experience accessible only by boat. The site is named for its distinctive chimney-like formation, which allows light to filter down into the depths. Divers can explore between 15 and 30 metres, with an average depth of 18 metres. Visibility ranges from 10 to 30 metres, and currents are generally mild. Due to the overhead environment within the cave sections, divers must maintain good buoyancy control and remain with a guide. This site is suitable for beginners, though cave certification is required for entry into the specific cave portions.

Plakias Cave in Rethymno offers a varied shore dive combining a cave system with an adjacent reef. Divers typically explore depths between 10 and 30 metres, with an average depth of 15 metres. Visibility ranges from 15 to 30 metres, supported by mild currents. The cave entrance is the most technical section, where surge and swell can be significant. Divers should monitor conditions at the entrance before committing and may choose to remain on the open reef if swell is building. This site is suited for intermediate divers who possess good buoyancy control and experience with enclosed spaces. A typical dive lasts 45 minutes.

Cape Plakias-Kalypso is a diverse marine site featuring a reef, wall, cave, and drop-off topography. Located in Rethymno, Greece, the site offers depths ranging from 3 to 40 metres, with an average depth of 18 metres. Visibility is consistently 30 metres, providing clear conditions for both divers and snorkellers. Access is possible via both shore and boat. Due to the presence of overhead environments, deep sections, and moderate currents, this site is suited for intermediate skill levels. Hazards include lionfish, sea urchins, and strong currents. Facilities available include parking, toilets, showers, changing rooms, air fills, equipment rental, and a cafe. Night diving is permitted, with typical dives lasting 45 minutes.

Plakias Beach East End in Rethymno, Crete, features a diverse underwater landscape comprising reef, cave, cavern, and artificial reef structures. Located 50 metres from the shore, this site is suitable for beginners, with depths ranging from 2 to 5 metres and an average of 3 metres. Visibility typically spans 10 to 30 metres. Divers and snorkellers can access the site from the shore or by boat. Be cautious of moderate currents and potential surf at the shoreline, which can complicate entry and exit. When exploring the cave or cavern, maintain sight of the entrance and natural light at all times. The site is available for both day and night sessions.

Kalypso Walls in Rethymno, Greece, offers a diverse underwater landscape featuring a reef, wall, drop-off, and cave. Accessible via both shore and boat, the site provides visibility ranging from 15 to 30 metres and mild currents. While the topography shelves to a maximum depth of 40 metres, the shallower reef sections are suitable for beginners. Divers should exercise caution regarding sea urchins on the reef and during entry. The site is well-equipped with parking, toilets, showers, changing rooms, and a rinse station. Night diving is available year-round for qualified divers, with typical dives lasting around 50 minutes.