Willems Reef, located at the Zeelandbrug in the Netherlands, is a reef dive site reaching depths between 5 and 40 metres with an average depth of 15 metres. This site is suitable for intermediate divers who can manage moderate currents and visibility ranging from 1 to 5 metres. Due to the potential for strong currents and a challenging shore break, timing dives with slack water is essential. Water temperatures fluctuate between 7 and 20 degrees Celsius throughout the year. Divers should be aware of entanglement risks and maintain close team contact. On-site facilities include parking, showers, and changing rooms to assist with post-dive comfort.

Haven Kats Zuid is a diverse shore-entry site located at the Zeelandbrug, offering a mix of natural reef, artificial reef, and wreck structures. The site spans depths from 5 to 40 metres, with an average depth of 20 metres. Due to strong currents, this location is primarily suited for intermediate divers experienced in drift diving. Visibility fluctuates between 1 and 10 metres, and water temperatures range from 7C to 20C. Divers should be prepared for surf and shore break during entry. On-site facilities include parking, toilets, showers, a rinse station, and air fills. Always plan dives around slack water to manage currents and optimise visibility.

Kats lange pier is a shore-entry drift dive located at the Zeelandbrug in the Oosterschelde. This site reaches depths between 10 and 45 metres and is suited for advanced divers due to strong currents. Visibility is limited, typically ranging from 1 to 4 metres, requiring careful navigation. The pier structure provides reef features that offer shelter when the current eases. Divers must time their entry precisely to the slack water window to manage the tidal flow. Water temperatures fluctuate between 7 and 20 degrees Celsius throughout the year. Species recorded around this area include seahorses, European common cuttlefish, various sea slugs, lobsters, and crabs.

Katshoek is an advanced shore-entry drift dive located at the Zeelandbrug in the Oosterschelde. This artificial reef site features depths ranging from 8 to 45 metres, with an average depth of 25 metres. Strong tidal currents are a constant factor, requiring divers to plan their entry and exit around the slack water window. Visibility varies between 1 and 10 metres. Divers must navigate potential hazards including boat traffic, entanglement risks, and surf at the entry point. Facilities at the site include parking, showers, changing rooms, a rinse station, and air fills. Species recorded around this area include European Common Cuttlefish, Thecacera, Common Lobster, and various sea stars and crabs.

Zeelandbrug Zuidzijde features a mix of natural reef and artificial structure provided by the bridge columns. Divers can explore depths ranging from 7 to 30 metres, with an average depth of 16 metres. The site is suitable for intermediate divers, offering both shore and boat access. Visibility typically ranges between 5 and 10 metres. Currents are generally moderate but can strengthen significantly as water is channelled between the columns, making slack water entry essential. The site supports night diving and is accessible year-round. Facilities include parking, air fills, changing rooms, showers, and a rinse station. Species recorded around this area include seahorses, cuttlefish, seals, lobsters, and various sea slugs.

Putti's Place in Wemeldinge is a challenging site featuring a wall, a wreck, and an artificial reef. Suitable for advanced divers, the site reaches depths between 8 and 50 metres, with an average depth of 25 metres. Divers should be prepared for strong currents and variable visibility ranging from 1 to 5 metres. Access is possible via both shore and boat entries. Due to the presence of a wreck and artificial structures, entanglement is a potential hazard. Water temperatures fluctuate significantly throughout the year, ranging from 7C in February to 20C in August.

Jonkvrouw Annapolder is a shore-accessible dive site located at the Zeelandbrug in the Oosterschelde, Netherlands. The site features a combination of natural and artificial reef structures reaching depths of 15 metres. It is suitable for beginner divers, with visibility typically ranging from 2 to 5 metres. Water temperatures fluctuate between 7 and 20 degrees Celsius, necessitating appropriate thermal protection. Divers should remain cautious of boat traffic during ascents and are advised to use a surface marker buoy. On-site facilities include parking, toilets, showers, changing rooms, a rinse station, and air fills, with dive shops and guided tours available nearby.

Zeelandbrug is a structured reef dive located beneath the bridge pilings of one of Europe's longest bridges. The pylons are colonised from 5 metres down to a maximum depth of 25 metres, with an average depth of 12 metres. Divers must navigate moderate currents tied to tidal cycles, making precise timing around slack water essential. Visibility typically ranges between 3 and 10 metres. Entry is from the shore, though divers should be prepared for potential surf and shore break conditions. Water temperatures fluctuate seasonally between 7 and 20 degrees Celsius, requiring appropriate exposure protection year-round. Always remain aware of boat traffic when surfacing.