In present tense sentences and present perfect tenses we use has with the third person singular:
"Malta has colourful fishing boats."
"The fishermen have traditional boats."
Here are some points to remember when using 'have' and 'has'.
Let's start with the basics.
They can both be used to show possession and are important in making the 'perfect tenses'.
'Had' is the past tense of both 'has' and 'have'.