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.

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.

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.

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.

Nieuwe Meer is a freshwater shore-entry site in Zeeland, Netherlands, featuring an artificial reef and a wreck. Suitable for beginners, the site offers depths ranging from 1 to 18 metres. Visibility typically fluctuates between 3 and 8 metres, requiring careful buoyancy control. The site is accessible year-round and supports night diving. Divers should be aware of potential hazards including boat traffic, entanglement risks, and the overhead environment presented by the wreck. Water temperatures vary significantly by season, ranging from 6 to 20 degrees Celsius, necessitating appropriate thermal protection for longer dives.

Zegerplas Chinees is a freshwater shore-entry dive site in Zeeland, Netherlands, offering depths between 8 and 12 metres with an average of 10 metres. The site is suitable for beginners, providing a controlled environment for buoyancy and navigation practice. Visibility is generally around 5 metres, requiring divers to manage close-quarter conditions. Due to the potential for submerged vegetation and lines, divers should maintain a streamlined kit to mitigate entanglement risks. Water temperatures fluctuate significantly throughout the year, ranging from 7 to 20 degrees Celsius, necessitating appropriate thermal protection. Species recorded around this area include snails, round gobies, and bronze bream.

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.

Onderwater Natuurpark Zegersloot is a freshwater dive site in the Netherlands offering a diverse underwater landscape. The topography includes sandy bottoms, clay and peat layers, and various artificial structures. Divers can explore several wrecks, including the sailing yacht De Regina Maris and the Gatenkaasen. The site reaches depths of up to 35 metres, with an average depth of 18 metres. Entry is via a jetty. Visibility typically ranges between 1 and 4 metres, and water temperatures fluctuate from 7C in winter to 20C in August. Due to the depth and potential for boat traffic, this site is best suited for intermediate divers.