Tegnue is a vast complex of rocky outcrops located approximately 8 miles offshore from Chioggia. Situated within the outer area of a biological protection zone, the site spans a quadrangular area of roughly 100 metres per side. Divers encounter depths ranging from 17 to 30 metres, with an average depth of 25 metres. Access is exclusively by boat. Conditions include moderate currents and visibility between 5 and 15 metres. A constant, strong thermocline is often present due to freshwater influx and solar radiation. Given the cold seabed temperatures, which range from 9C to 19C, a 5 mm wetsuit is recommended for all dives.

Tegnue Serenissima is an extensive rocky plateau located off the coast of Chioggia, Italy. Situated within a protected biological zone, this site features a distinct reef and wall topography that stretches in a north-northeast to south-southwest direction. Divers can explore depths ranging from 15 to 24 metres, with an average depth of 25 metres. Access to the site is by boat only, located approximately 12.8 kilometres from the shore. Conditions include mild currents and visibility typically between 5 and 15 metres. Water temperatures fluctuate seasonally, ranging from 9C in February to 19C in October. This site is suited for intermediate divers, with typical dive times lasting around 50 minutes.

Tegnùa del Delfino Bianco is a rocky outcrop located within a biological protection zone off the coast of Chioggia. Spanning approximately 40,000 square metres, the site features a complex rocky topography, with the most significant relief found on the steeper south-eastern slope. This drift dive site is situated 12.8 kilometres from the shore, requiring boat access. Divers can expect depths between 17 and 24 metres, with an average depth of 20 metres. Conditions are characterised by mild currents and visibility that can reach up to 30 metres. Divers should exercise caution regarding sharp coral present throughout the reef structure.

The Evdokia II is a merchant vessel that sank in March 1991 following a collision in fog. Located approximately 23 kilometres from Chioggia, this wreck serves as an artificial reef. Divers can explore the structure at depths ranging from 16 to 26 metres, with an average depth of 22 metres. Access to the site is by boat only. Conditions are variable, with visibility typically between 3 and 8 metres and water temperatures fluctuating from 9C to 19C throughout the year. Due to the nature of the wreck, divers should be aware of potential hazards including entanglement and sharp edges.

Tegnue Rovigo is a rocky outcrop located within a biological protection area off the coast of Chioggia. The site consists of several rock groups aligned in an east-west direction, extending for just over 50 metres and surrounded by sandy-muddy sediments. Divers can explore this underwater island at depths ranging from 18 to 20 metres. Access to the site is by boat only, as it is situated 13 kilometres from the shore. Conditions are suitable for intermediate divers, with mild currents and visibility typically between 5 and 15 metres. Water temperatures fluctuate significantly throughout the year, ranging from 9C in February to 20C in late summer.

Tegnue Padova is a rocky reef and wall complex located 12 kilometres off the coast of Chioggia. The site consists of a series of aligned outcrops stretching over 50 metres in a north-east to south-west direction. Divers can explore depths ranging from 15 to 22 metres, with an average depth of 20 metres. The highest rock formations reach up to 18 metres, while the surrounding seabed drops to over 21 metres. Access to this site is by boat only. Conditions are generally mild, though visibility varies significantly from 5 to 30 metres. The site is suitable for beginners and is managed as a protected biological zone.

Tegnue is a rocky reef formation located off the coast of Chioggia, Italy, within a protected biological zone. The site features an extensive rocky outcrop rising from a surrounding seabed that averages 21 metres in depth. Divers can explore depths ranging from 17 to 21 metres. Access to this site is strictly by boat, as it is situated approximately 12.8 kilometres from the shore. Conditions are variable, with currents that require intermediate diving skills. Hazards at this location include potential entanglement, sharp coral structures, and strong currents. Water temperatures fluctuate significantly throughout the year, ranging from 9C in February to 20C during the summer and early autumn months.

Tegnue Montagnana is a rocky reef formation situated within a protected biological zone off the coast of Chioggia. This site features a submerged statue of the Madonna of Medugorje, placed by the Gruppo Subacqueo Montagnana. Divers typically explore depths between 17 and 21 metres, with an average depth of 19 metres. Access is strictly by boat, as the site lies approximately 12.8 kilometres from the shore. Conditions include mild currents and visibility ranging from 5 to 15 metres. Water temperatures fluctuate between 9C and 20C, necessitating a 5mm wetsuit. Due to the depth and potential for low visibility, this site is suited for intermediate divers.