About Revisions Seal Cove & Mingo Rock - Isle of Sh New Hampshire/maine Max Depth: 81-90ft/25-27m Average Viz: 16-20ft/5-6m Entry Type: Boat Aquatic Life: Might See Something 12/07/2011 3:51 PM

Seal Cove & Mingo Rock has a maximum diving depth of around 27.4 m / 89.9 ft and is suitable for all divers. The average visibility is 10-20 metres and access to the dive site is by boat.

• Location: Southeast side of Duck Island.
• Special Features: This area hosts a large community of seals all year round. They sunbathe on the rocks and occasionally swim with divers. (The Marine Mammal Protection Act prohibits anyone from approaching seals.)
• Hazards: Lobster boats. The area was once a military target range, and divers have found unexploded shells in the area. This dive is recommended for experienced divers.
• Depth: To 30’ in Seal Cove, to 90’ around Mingo Rock.