Alternative form of there is no there there

(idiomatic) The indicated thing, person, or other matter has no distinctive identity, or no significant characteristics, or no functional center point; nothing significant exists in that place; nothing significant is occurring in that situation.

A small but well-populated island in the Thames Estuary which is connected by bridge to the mainland, and which is a town and civil parish with a town council in Castle Point borough, Essex, England.

(derogatory) Rhetorical question used to imply that the party addressed is out of touch with reality

A peninsula (not a true island) formed by a large meander in the River Thames in East London, England.

A group of three phantom islands first reported in 1762 by the Spanish merchant ship Aurora while sailing from Lima to Cádiz.

plural of phantom island

A phantom island, now believed to have been a misidentified account of the Falkland Islands.

A small uninhabited island in the South Sandwich Islands.

A purported island, typically reported by sailors exploring a new region, that formerly appeared on maps but was later found not to exist.