western caribbean excursions

[kcms4]

hi can any one help in Jamaica we would like to do dunns river falls there are six of us with royal caribbean the price is £46 each are there taxis waiting to take people and has any one done this and knows roughly how much also at cozumel we would like just to go to san gervasion ruins and shopping in the afternoon this is £36 each the same question again has any one got a taxi to this place and can remember how much i know i sound like a cheap skate and will pay the price with royal caribbean just that i dont want to do every thing in their excursions we just want to see what we want to see if you know what i mean

any info would be much appreciated:confused::)