Dive-site story
The Sappemeer, a Dutch motor freighter, sits upright on a soft seabed in the outer Stockholm archipelago. Low salinity and cold Baltic water preserve the intact hull, open cargo holds, deck gear, and structural profiles around the bridge and stern. Limited light penetration and chilly depths demand strict thermal protection and precise buoyancy control.
Intact steel hull and deck machinery preserved by cold Baltic waters
Upright orientation providing distinct navigation lines along the deck and superstructure
Cold-water bottom dwellers sheltering against rusted plating
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
Late spring through early autumn brings calmer sea conditions and charter boat access, though water below the thermocline remains near freezing year-round.
Marine life
| Species | Likelihood | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shorthorn sculpinMyoxocephalus scorpius | Common | ||||||||||||
| European flounderPlatichthys flesus | Common | ||||||||||||
| Broadnosed pipefishSyngnathus typhle | Seasonal | ||||||||||||
| Baltic herringClupea harengus membras | Seasonal |
Marine forecast
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