Porto Roxa is a rugged rocky cove on Zakynthos, Greece, offering a mix of reef, artificial reef, and cave topography. The site features a steep, rocky seabed with depths starting at 15 metres. Entry is via the shore, where a diving platform is available. Conditions are variable with mild currents and visibility ranging from 10 to 25 metres. Water temperatures fluctuate between 16C and 27C, with colder waters present. Divers and snorkellers should be aware of surf and boat traffic in the area. Species recorded around this area include Indian Lionfish, Turkish Wrasse, European Parrotfish, and various bream species, alongside tube worms and snails.

Porto Limnionas is a narrow, rocky inlet on the western coast of Zakynthos. The site features a varied topography of walls, overhangs, small caves, and boulder-strewn seabeds. Depths range from 2 to 15 metres, with visibility typically between 10 and 25 metres. Snorkellers should be aware of freshwater springs within the caves, which create distinct layers of water with varying salinity and temperature. Entry is from the shore, and the site is suited for intermediate snorkellers due to the overhead environment and depth. Be mindful of boat traffic in the area. Facilities including parking, toilets, changing rooms, and a cafe are available nearby.

Marathia Arch in Zakynthos, Greece, is a marine site featuring a combination of reef, cave, and cavern topography. Suitable for beginner divers, the site offers depths ranging from 7 to 40 metres. Access is strictly by boat. Visibility at the site typically varies between 10 and 30 metres, with mild currents that can fluctuate. Water temperatures range from 15C to 21C throughout the year. Divers should be aware of potential hazards, including jellyfish and sharp coral. Due to variable conditions, it is recommended to consult with a local boat operator or dive centre regarding current status before planning a dive.

Filippoi Beach is a quiet, unorganised cove located on the northwestern coast of Zakynthos, Greece, defined by high surrounding cliffs. The site features a combination of reef and cave topography, with several small caves accessible by swimming directly from the shore. Snorkellers can expect visibility ranging between 20 and 30 metres. The environment supports a variety of Mediterranean reef fish and invertebrates typical of the region. Water temperatures fluctuate significantly throughout the year, ranging from 16C in the cooler months to 27C in August. Due to the presence of sharp coral and potential surf, this site is best suited for intermediate snorkellers.

Mizithres Rocks in Zakynthos, Greece, features two massive limestone stacks rising from the sea with a small pebble beach situated between them. The site offers both reef and cave topography for divers. Access is strictly by boat, and the area is known for strong currents, making it suitable for intermediate divers. Water temperatures fluctuate significantly throughout the year, ranging from 16C to 27C, with temperatures potentially dropping to 14C in April. A full wetsuit is recommended for comfort during cooler months. The site is also highly rated for snorkelling, providing an opportunity to explore the base of the cliffs and the surrounding marine environment.

White Reef, located off Zante Island in the Ionian Sea, features a combination of reef topography and a cave system. The site ranges in depth from 6 to 30 metres, providing a range of depths suitable for different experience levels. Visibility is generally good, typically between 18 and 30 metres. Access to this site is exclusively by boat. The cave is an overhead environment where direct ascent to the surface is not possible; beginners should only enter this area under the supervision of a qualified guide. Facilities are minimal at the site, so divers should confirm equipment and boat arrangements with a local dive centre in advance.

Butterfly Cave in Zakynthos, Greece, is a cavern and cave system featuring depths between 10 and 18 metres. This boat-access site offers visibility ranging from 15 to 30 metres, with mild currents suitable for intermediate divers. The topography includes a cavern entrance and an adjacent reef structure. Divers should be aware of overhead environments and potential entanglement hazards. Species recorded around this area include loggerhead sea turtles, Indian lionfish, common octopus, dusky grouper, and various wrasses. Mid-morning dives are recommended to take advantage of natural light entering the cavern, though carrying a dive light is necessary to explore shadowed pockets within the system.

Xigia Sulfur Beach is a distinctive site in Zakynthos defined by natural sulfur springs that flow directly into the sea, creating a milky-blue appearance. The underwater topography features karst caves and reef structures. Due to the influence of these springs and cliff shadows, water temperatures are generally cooler than at other local beaches, averaging 20°C in summer. Visibility may be slightly reduced by the sulfur content. The site is accessible from the shore and is suitable for beginners, although the water can be deep. Facilities at the location include parking, a cafe, and showers.