San Juan is the airport city, not the rainforest. Condado and Isla Verde are the hotel strip. Old San Juan is the walk. Use it to land and sleep, then stage the first activity. The wider east-coast week lives on the San Juan & the Northeast page.
Water in town, forest out of town
There's paddleboarding and hotel-strip water in the city. El Yunque and Laguna Grande are a drive. Rush hour will lie to you about how long that drive is. Night sessions from here only work if you're honest about traffic.
Booking on adventuro
Open the Book here tab for city-based sessions and day trips that include transfers. A hire car makes the forest easier. It doesn't make the road out of town faster at 5pm.