karibischen

In a sentence

• Ich träume von einer Reise in die karibischen Inseln.

  I dream of a trip to the Caribbean islands.

  Here, 'karibischen' functions as an adjective, describing the islands. It is in plural dative form due to the preposition 'in die', which governs this grammatical case.

• Die karibischen Gewässer sind bekannt für ihre türkisfarbene Schönheit.

  The Caribbean waters are known for their turquoise beauty.

  In this sentence, 'karibischen' again functions as an adjective, describing 'Gewässer' (waters). It is in plural nominative form as it describes the subject of the sentence.

• Mir gefallen die Farben der karibischen Landschaften.

  I like the colors of the Caribbean landscapes.

  Here, 'karibischen' is used as an adjective describing 'Landschaften' (landscapes). It takes the plural genitive form because it follows 'der', which governs this grammatical case.