Transfer from Cancun and top tip for excursions

Hi all,

Never been to Mexico before and surprising my husband for his 40th in March next year with a holiday.

We are travelling with our 5 year old from London, UK.

Transfer from Cancun Airport to Cozumel -

I’ve seen Happy Shuttle recommended, are there any others? Will the van or car take us all the way to our hotel (Melia Cozumel) or drop us off at the port in Cozumel?

We only have 9 days so would like to do 2-3 excursions. For historical sites, which ones are the best?

Any other recommendations would be awesome.

We are English/colombian and don’t necessarily need to be around big groups of tourist and Spanish isn’t a problem.

Thank you!