BLUE HOLE: mapped and explained.

Explore quality-approved blue hole records with coordinates, evidence and related unusual places. These are crawlable research records, not an indiscriminate directory: reports without enough depth remain available for exploration but are excluded from search indexing.

BLUE HOLE · Expanded physical oddities

Blue Hole

Egypt

submarine sinkhole a few kilometres north of Dahab, Egypt

Map, evidence and context →BLUE HOLE · Expanded physical oddities

Dragon Hole

Location recorded in Wikidata

deep underwater sinkhole in the South China Sea

Map, evidence and context →BLUE HOLE · Expanded physical oddities

Amberjack Hole

United States

Blue Hole 48 km off the coast of Sarasota, Florida

Map, evidence and context →BLUE HOLE · Expanded physical oddities

Blue Hole (Guam)

United States

Submarine sinkhole off the west coast of Guam

Map, evidence and context →