Dive-site story
Located on the northern shoreline of Sint Philipsland along the Zijpe channel, Anna Jacoba Polder is a tidal shore dive typical of the Dutch Delta waters. Divers enter over the stone dike reinforcement into a slope carpeted with Pacific oysters, barnacles, and hydrozoans. As you move deeper along the drop-off, the basalt blocks give way to a silty channel bottom where flatfish and invertebrates shelter.
Basalt blocks and oyster beds providing structure for diverse macro life
Springtime cuttlefish breeding activity along the shallow slopes
Rich macro life featuring various nudibranchs, sea squirts, and crabs
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
Warmer water temperatures and active marine breeding cycles make late spring through autumn the most productive period.
Marine life
| Species | Likelihood | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Common cuttlefishSepia officinalis | Seasonal | ||||||||||||
| European lobsterHomarus gammarus | Common | ||||||||||||
| Short-snouted seahorseHippocampus hippocampus | Rare | ||||||||||||
| Edible crabCancer pagurus | Common | ||||||||||||
| ButterfishPholis gunnellus | Common |
Marine forecast
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