

Best for intermediate divers, Up to 16m, shore entry.
Mastwijkse plas in the Grevelingen region of the Netherlands is a shore-entry dive site reaching depths of 16 metres. This site is suited for intermediate divers who possess strong buoyancy control and navigation skills, as visibility can be highly variable. The underwater environment supports a variety of temperate marine life typical of the region, including various invertebrates, crustaceans, and fish species. Divers should be prepared for cold water conditions year-round and remain vigilant regarding potential hazards such as boat traffic, entanglement risks, and strong currents. The use of a surface marker buoy is recommended for safety during ascents.
52.05540, 4.96822
Check conditions locally before entering, as visibility can shift significantly and cold water makes a well-fitted wetsuit or drysuit essential year-round. Watch for boat traffic after surfacing and deploy your SMB before ascending.
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Expected in this region. No sightings logged here yet.
Depth
Up to 16m
Skill Level
Intermediate
Entry
Shore
Current
None
The site supports a range of temperate marine life including various reef fish, invertebrates, crustaceans, and cephalopods typical of the Grevelingen habitat.
No, this site is classified for intermediate divers due to variable visibility, potential currents, and specific environmental hazards.
The site offers depths ranging from the surface down to a maximum of 16 metres.
Access to the water is via a shore entry.
Divers must manage risks including cold water, boat traffic, entanglement, and low visibility. Using a surface marker buoy and carrying a dive knife is recommended.
Diving at Mastwijkse plas in Montfoort requires the following certifications: Open Water. Always dive within your training limits.