This is the best island to go whale-watching, both from boats and on shore. April is the end of the humpback whale season in Maui, but we saw them on our boat tour and from our lanai. Oahu has the Waikiki Aquarium and Sea Life Park, and now Maui has an answer to that in the Maui Ocean Center.
Maui attracts many quality artists, and good galleries can be found throughout the island. Upcountry has a high concentration of galleries in Makawao and its shoreline neighbor Paia.
We have visited a few small museums that are worth repeating if there is time: Alexander & Baldwin Sugar Museum (sugar), Bailey House Museum (boarding school/landscape painter), and Baldwin House (doctor/missionary). This trip, we returned to the Whalers Village Museum (Harpoons R Us). A day in the old whaling village of Lahaina is mandatory for a trip to Maui. Just walking around, browsing through the shops, noting the historical markers, marveling at the huge banyan tree, enjoying the food, and of course, people-watching will fill the day with fun and good memories.
Quick Tips:
Find a roadside park between Maalae and Lahaina and enjoy the beauty of the West Maui Mountains on one side and Auau Channel on the other. These are fun places to get in the water without the crowds. Soothing!
Check with your airline about when their check-in desk opens. We needed to return our rental car 4 hours earlier than our flight. We thought we would check in, be rid of our bags, and then enjoy the remaining time reading and shopping the terminal shops. We ended up standing 2 hours on concrete waiting with our luggage for the check-in desk to open. With no seating or air-conditioning, this was fairly uncomfortable.
If you have a handicap parking tag in your home state, bring it with you. It is quite advantageous to find parking spots. Sometimes regular parking lots are full but the handicap spots are empty.
Best Way To Get Around:
Rent a car. The Kaanapali-Lahaina trolley that we used in the past was not in operation this trip. The Sugar Train is for amusement only.