Wijkertunnel is an artificial reef site located in the Vinkeveense Plassen. Divers access the site from the shore, swimming approximately 90 metres to reach the structure. The site features depths ranging from 4 to 9 metres, with an average depth of 7 metres. Conditions are challenging, characterised by low visibility of 2 to 4 metres, mild currents, and potential boat traffic. Due to these factors, the site is suitable for advanced divers who possess strong buoyancy control and navigation skills. Water temperatures fluctuate between 6 and 20 degrees Celsius, requiring appropriate thermal protection throughout the year. Divers should use a surface marker buoy and exercise caution regarding entanglement risks on the reef structures.

Noordzeekanaal Kruithaven is a freshwater site in the Vinkeveense Plassen offering both wreck and artificial reef diving. The site features depths ranging from 5 to 50 metres, with an average depth of 15 metres. Divers should be aware of a thermocline located at approximately 9 metres. Conditions include mild currents and visibility typically between 4 and 10 metres. The site is accessible via both shore and boat, and night diving is permitted. Facilities available at the location include parking, toilets, showers, changing rooms, air fills, and a dive shop. Due to the depth and potential for boat traffic, this site is suited for intermediate divers.

Molenplas in Grevelingen offers a reef structure ranging from 6 to 18 metres in depth. The site is accessible via both shore and boat entries, making it suitable for various training needs. Divers encounter mild currents and visibility typically between 5 and 10 metres. Water temperatures fluctuate significantly throughout the year, ranging from 7 to 20 degrees Celsius, necessitating appropriate thermal protection such as a drysuit or thick wetsuit with hood and gloves during colder months. The habitat supports a variety of temperate marine life and invertebrates typical of the region. Always remain aware of boat traffic near the shore entry point and verify current conditions before entering the water.

Haarlemmermeerse Bos is an artificial reef located in the Grevelingen, Netherlands. Divers access the site from the shore, with the main area situated approximately 50 metres out. The site features depths ranging from 5 to 20 metres, with an average depth of 15 metres. Conditions vary, with visibility typically between 1 and 10 metres. An air circulation system operates from May 1st to October 1st to manage water temperature and cyanobacteria levels. Divers should be aware of potential hazards including boat traffic, entanglement risks, strong currents, and low visibility. Facilities at the site include parking and a cafe. Night diving is permitted.

Beachhouse is a shore-entry reef and drift site located in Grevelingen, Netherlands. Divers can explore the reef structure at depths ranging from 6 to 13 metres, with an average depth of 8 metres. The site is situated 50 metres from the shore. Visibility typically fluctuates between 5 and 10 metres. Water temperatures vary significantly throughout the year, ranging from 7C to 20C, necessitating appropriate thermal protection. Due to active boat traffic in the area, the use of a surface marker buoy is essential for all divers. The site supports a variety of temperate marine life and invertebrates typical of the region.

Hondsbosch is a wreck dive located in Zeeland, Netherlands, resting at depths between 16 and 22 metres. This site is accessible only by boat and is intended for intermediate divers with wreck certification due to the overhead environment. Conditions vary significantly, with visibility ranging from 1 to 20 metres and strong currents that require excellent buoyancy control. Water temperatures fluctuate between 7 and 20 degrees Celsius throughout the year, necessitating appropriate thermal protection. The site features a wreck structure that provides habitat for various regional marine life, including reef fish and invertebrates. Divers should carefully monitor current timings to ensure safe conditions for exploration.

Toolenburgse Plas is a freshwater dive site in the Netherlands featuring a variety of underwater structures, including wrecks, cars, training platforms, and an old cannon. Divers can access the site from the shore, with the main features located approximately 50 metres out. The site is suitable for beginners, with depths ranging from 3 to 25 metres and an average depth of 7 metres. Visibility typically fluctuates between 2 and 5 metres. The site offers facilities including parking, toilets, showers, a rinse station, a cafe, and a dive shop. Night diving is permitted, and the habitat supports various temperate freshwater fish and invertebrates.

Sloterplas Ganzeneiland is a freshwater inland dive site in the Netherlands featuring an artificial reef structure. This location offers a sheltered, current-free environment suitable for beginner divers. The site is accessed via a shore entry and is located 200 metres from the shore. Divers can explore depths ranging from 10 to 30 metres, with an average depth of 20 metres. Visibility is variable, typically between 1 and 6 metres, and is often better during cooler months when algae growth is reduced. Water temperatures fluctuate between 6 and 20 degrees Celsius, requiring appropriate thermal protection such as a wetsuit or drysuit throughout the year.