This is going to be a bit of a free form adventure. Starting in Managua, we'll be working our way south to Masaya and Granada, over to Ometepe (volcano island), and over to San Juan del Sur for some surfing. There might be a trip over to the other side of the country to Big Corn island for Scuba diving. No particular rush to this trip, just going to feel out adventures as they come along. Lots of good food, good drink, and late night swims.
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Ninanator I did this back in August and it was by far one of my favorite trips! Started in Managua and rented a car, drove to Granada, then went to Omitepe, then to San Juan del Sur, did some volcano boarding in Leon, down back to Masachapa and back to Managua. Never paid more than $12 for a hostel and I would go back to each one. Let me know if you want more info! You'll have a blast!