It might be a kind of loquat? I tried saving a similar looking one like the picture you've shown here and it was a loquat.

It's not a loquat the fruit is different and leaves are also quite different.

Definitely not loquat. It's Calophyllum inophyllum, an ornamental tree. They get quite huge.

You're both correct. I goggled pictures of loquats. They have pointed leaves and the one you have here has rounded tips. The loquat tree I tried to save did not live long and I lost it years ago. I'm glad Tropicalbreeze knows what exactly it is.

It's not Calophyllum inophyllum. Fruit looks different and so does flowers. The tree i have pictured has small white flowers that barley open.

Do you have photos of the flowers? The barely opening flowers could be a climatic thing.

Mine isn't flowering now but here's a photo of the foliage. It's about 12 to 14 metres tall. That's still small compared to a mature one.

I agree that the pictured tree IS Calophyllum inophyllum. Used to be a very common ornamental tree here in the Keys. Messy habit has reduced its use.
Scott

if it is Calophyllum inophyllum,
it produces an important oil

Tamaru oil

http://totalhealthmagazine.com/features/the-medicine-hunter/oil-of-tamanu-calophyllum-inophyllum.html

Here is a link that might be useful: photos