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Costa Rica, Allegro Papagayo Resort is close to the LIR airport. Great for little ones. Grey sand beach (most of CR is) but great pools and good weather most of the year--no hurricanes! Rainy season varies--sometimes it's an hour shower or more.
Dolphin and monkey viewing--walking free or $5 boat trips in the bay.
Ck interlinetravel.com :
user is nonrev, password is interline--no fees added, rates are competitive. PC Resort is also offered, along with lots of others.