Question: The Paul and Young Ron Show was, for a time, featured on Sun 99.5 in an island at the southernmost tip of what geographic feature?

Context paragraphs:
Iejima: Iejima (伊江島 , Iejima , Okinawan: "Ii shima") , previously romanized in English as Ie Shima, is an island in Okinawa Prefecture, Japan, lying a few kilometers off the Motobu Peninsula on Okinawa Island.  The island measures 20 km in circumference and covers 23 km2 .  As of December 2012 the island had a population of 4,610.  Most islanders live in Ie Village, which has a ferry connection with the town Motobu on Okinawa Island.  Iejima is generally flat.  The most notable geographic feature is a peak called Mount Gusuku (or "Tatchuu" in Kunigami) at a height of 172 meters.  The mountain resembles a volcano but is actually an erosion artifact.

Tierra del Fuego: Tierra del Fuego ( , ] ; Spanish for "Land of Fire") is an archipelago off the southernmost tip of the South American mainland, across the Strait of Magellan.  The archipelago consists of the main island, Isla Grande de Tierra del Fuego, with an area of 48100 km2 , and a group of many islands, including Cape Horn and Diego Ramírez Islands.  Tierra del Fuego is divided between Chile and Argentina, with the latter controlling the eastern half of the main island and the former the western half plus the islands south of Beagle Channel.  The southernmost extent of the archipelago is at about latitude 55 S.

The Paul and Young Ron Show: The Paul & Young Ron Show was a morning radio program starring Paul Castronovo and "Young" Ron Brewer, broadcast on WBGG-FM in the Miami/Fort Lauderdale radio market, WZZR-FM in the West Palm Beach radio market, and for a time on Sun 103.1 in Key Largo and Sun 99.5 in Key West.

Kings Mountain, California: Kings Mountain is an unincorporated community in San Mateo County, California, located along State Route 35 (Skyline Boulevard) between Skeggs Point and Pise Mountain.  This is about seven miles (11 km) north of Woodside Road (SR84).  In the U.S. Geological Survey, National Geographic Names Database, the area is identified only as a geographic feature of type "summit" and not as a populated place.  The community is inside area code 650 and uses the Woodside ZIP Code 94062.

Stephens Island (British Columbia): Stephens Island is an island on the British Columbia Coast, Canada, located in Hecate Strait to the northwest of Porcher Island and to the southwest of the city of Prince Rupert.  The island's main geographic feature is Mount Stephens, 432 m (1417 feet), on the southeast end of the island at .  To its northwest is Congreve Hill, 150 m (492 feet), at .

The Big Breaker: The Big Breaker is the most northerly geographic feature in the Houtman Abrolhos islands in the Indian Ocean off the west coast of Australia.  It is located at the extreme tip of a reef that extends about three kilometres north of North Island.  Its gazetted location is , but in fact it is located about 270 metres south-east of there, at .  It is so named because it is a breaker, a portion of submerged reef over which waves break.

Dueodde: Dueodde is a beach in Denmark on Bornholm's southernmost tip.  It is known for its very fine white sand.  The area around Dueodde was originally a large sandy area, but in the eighteenth century, it was planted with pines, as well as Ammophila and Leymus grasses to reduce sand drift.  Today, Dueodde is a protected area.  The sand at Dueodde moves easily with the wind to form dunes.  The vast dune area and associated sandy beach start at Haslemere extending some 30 km almost without interruption.  Apart from the beach, one noteworthy feature is the Dueodde Lighthouse on the southern tip.  It is the tallest on the island.  Built in 1962, it offers a panoramic view of the surroundings.  The two old lighthouses, "Dueodde Syd" (next to the new lighthouse) and "Dueodde Nord" are not open for the public.

Stillo Island: Stillo Island (Albanian: "Ishulli i Stillos" ) or Stil Island is a small island in south Albania.  Stillo is part of Vlorë County, located in the Ionian Sea, 200 meters off the coast of Cape Stillo, in the southernmost coast of Albania.  The island and the cape were military zone until 1992 and access was prohibited.  Although not the most southern point of Albania, it consists of the southernmost tip of the Albanian coastline.  The island is rocky and sparsely vegetated.  It has an area of half an hectare, with an approximate length of 80 meters and a width of 100 meters.

GEOnet Names Server: The GEOnet Names Server (GNS) provides access to the National Geospatial-Intelligence Agency's (NGA) and the U.S. Board on Geographic Names's (BGN) database of geographic feature names and locations for locations outside the United States.  The database is the official repository of foreign place-name decisions approved by the US BGN.  Approximately 20,000 of the database's features are updated monthly.  The database never removes an entry, "except in cases of obvious duplication".

Key West: Key West is an island in the Straits of Florida on the North American continent, at the southernmost tip of the Florida Keys.  The island is about 90 mi from Cuba.

Supporting paragraphs: The Paul and Young Ron Show Key West
Answer: Florida Keys