Heading to Key Largo and Islamorada for 5 days early/mid April. Essentially seeking quiet and quaint with a 1 year old. Any reco ?

Planning to stay in Miami for the upcoming weekend. Any suggestions on things to do/places to eat/places to visit? Please let me know how to rock Miami in 48 hours!

I am planning to take a trip to Miami in two weeks for three days and will have to catch our flight in Fort Lauderdale. Is there anything we MUST do… 

Any fun dog friendly places to hang out at in Miami?