| LANAI | Hawaiian island once owned by the Dole Food Company |
| MOLOKAI | Hawaiian island once used as a quarantine site (7) |
| CLIVEDEN | Stately home on the Thames once owned by the Astors |
| NERDS | Wonks ... or a candy once owned by the Willy Wonka Candy Company |
| PLODDA | ____ Falls, waterfall in the Scottish Highlands which was once owned by the Fraser clan (6) |
| CLICKHOLE | Satirical website once owned by The Onion |
| STP | Brand once owned by the Studebaker Corporation |
| WIMPOLE | ____ Hall, country house in Cambridgeshire once owned by the Chicheley family (7) |
| MERCHANDISEMART | Chicago colossus once owned by the Kennedys |
| ASCOTT | __ House, National Trust property once owned by the Rothschild family (6) |
| BEEGEES | Wolterton Manor House, in East Barsham, was once owned by The ... manager Robert Stigwood (3, 4) |
| WASP | Stinging insect, the Asian variety was declared eradicated from Mallorca in 2020 but the aggressive predator, a danger to native insect life, has recently been spotted on the island once more (4) |
| NAURU | Pacific island once known as the Pleasant Island, capital Yaren (5) |
| BOURBONS | Members, including Good King Henry and the Sun King, of a cadet branch of the Capetian dynasty; fragrant pink perpetual roses from an island once named after said house; or, chocolate sandwich biscuit |
| BIKINI | Atoll in the Marshall Islands, once used by the US for nuclear tests (6) |
| MALTA | Island once controlled by Carthage |
| SAMOS | Island once ruled by Polycrates |
| CEYLON | Island once called Serendip, source of the word "serendipity" |
| TAIPEI | Capital of the island once known as Formosa (6) |
| SCHWERIN | German city with a schloss (castle) on a small island once home to the Grand Duchy of Mecklenburg (8) |