Given the time constraints, families should choose either a Blue Lagoon or an Atlantis excursion.
Atlantis is an immense resort. It is an expensive excursion and your family would need more than a couple of hours to get your money's worth.
Blue Lagoon takes up at least 4-5 hours for just the Dolphin Observer excursion which includes a 30 minute boat ride each way.
Total, you'll have 9 hours in port.
The only way to enjoy
Atlantis and dolphins on the same day while in port at Nassau is to head directly to Atlantis for the day. A tour such as
Atlantis Dolphin Cay and Aquaventure will allow your family to spend time at Atlantis and interact with dolphins.
Yes, Atlantis offers many options to view and/or interact with dolphins!
I highly recommend spending time at Atlantis. Our family enjoyed a wonderful day at the resort. We all enjoyed The Dig, the elaborate aquarium. My 9 year old son loved the water slides and other outdoor water attractions.