Fiesa beach in Piran offers a diverse underwater environment featuring a reef and an artificial reef complex. The site is notable for ten small wrecks scattered across the seabed, providing points of interest for divers. With depths ranging from 4 to 22 metres and an average of 10 metres, the site is suitable for beginners. Entry is via the shore, and conditions are generally mild with visibility fluctuating between 2 and 20 metres. Facilities at the location include parking, toilets, showers, a cafe, and a dive shop offering air fills, equipment rental, and guided tours. Night diving is also available at this location.

Piran is a shore-entry reef site located on the Slovenian Adriatic Coast. Suitable for beginners, the site features an average depth of 10 metres, with a total range between 5 and 16 metres. Divers and snorkellers can expect mild currents and visibility ranging from 5 to 15 metres. The site is accessible for night diving, with typical dive times around 45 minutes. Water temperatures fluctuate throughout the year, reaching a high of 23C in August and a low of 10C in February. Facilities available at the location include a dive shop, air fills, and parking. Low visibility is a potential hazard to consider when planning a dive.

Bernardin House Reef is a shore-accessible site located off the Slovenian Adriatic coast, suitable for beginners. The reef topography extends from 3 metres to a maximum depth of 21 metres, with an average depth of 8 metres. Divers experience mild currents and visibility ranging between 3 and 15 metres. The site is also available for night diving. Divers should exercise caution regarding sharp coral edges and potential entanglement with loose lines. Facilities at the location include parking, showers, and an on-site dive shop providing air fills.

The Hydroplane Wreck is a shallow site located off the coast of Piran, Slovenia. Resting at a maximum depth of 14 metres, the wreck is suitable for beginner divers and those building confidence. The site features mild currents, though visibility can vary significantly depending on weather conditions. As the wreck is located in an area with active boat traffic, divers must remain close to their group and use a surface marker buoy during ascent. Boat access is required to reach this site, so it is recommended to arrange a local operator in advance to confirm current conditions before departure.

Piranska Punta is a headland site on the Slovenian Adriatic Coast featuring a reef that transitions into a wall. Divers can explore depths ranging from 5 to 22 metres, with an average depth of 12 metres. The site is accessed via a shore entry located 50 metres from the point. Conditions include moderate currents and visibility between 5 and 10 metres. Marine life includes wrasses, tompot blennies, crabs, snails, and various jellyfish such as the compass, fried egg, and barrel jellyfish. Other species recorded include cod, painted comber, bream, castagnole, spirograph, and salema porgy. Divers should remain aware of boat traffic and sharp rocks during entry and exit.

Underwater Triglav is a reef site located 100 metres off the coast of Piran, Slovenia. Accessible only by boat, the site features a varied topography ranging from 5 to 39 metres in depth, with an average depth of 13 metres. Divers can expect mild currents and visibility typically between 10 and 25 metres. Due to the depth profile and potential for decompression requirements, this site is suited for advanced divers. Night diving is permitted at this location. Divers should remain aware of boat traffic in the area and manage nitrogen levels carefully during their 50-minute dives.

The Kec Wreck is an artificial reef located 2900 metres off the coast of Piran, Slovenia. Resting at depths between 16 and 23 metres, the site requires boat access and is reserved for advanced divers with wreck qualifications. Visibility is variable, reaching up to 10 metres, and the structure presents hazards including entanglement risks and overhead environments. Divers should exercise caution with buoyancy control when navigating the hull and interior. Night diving is permitted, offering a different perspective of the wreck. Species recorded around this area include various wrasses, bream, blennies, and crustaceans, alongside seasonal jellyfish populations.

Kembala reef, located off the coast of Rovinj and Poreč, features a combination of reef topography and a wreck. The site is suitable for beginners, with depths ranging from 5 to 11 metres and an average depth of 8 metres. Divers encounter mild currents and a variety of marine life, including common wrasses, bream, painted comber, two-banded seabream, and salema porgy. Less frequently, divers may spot European common cuttlefish, compass jellyfish, castagnole, tompot blenny, crabs, sea stars, striped red mullet, white seabream, and peacock blenny. Night diving is permitted, offering opportunities to observe more active species. Divers should remain cautious of sea urchins and sharp rock formations on the seabed.