The Iona II is on the east coast of Lundy Island.
The seabed around the Iona II wreck is generally flat, with a slight slope east of the amidships area. The seabed is coarse, firm, level mud and fine silt with some areas of fine sand within the wreck and some gravel patches around the boilers.
The wreck lies at 22-28m depending upon the state of the tide.
Visibility can vary from 0.5m to 15m.
The best time to dive is at slack water which is two hours either side of low water.