Yes. If you decide to bring the kids there is plenty for them to do. Nannies are available at a reasonable cost for those not wishing to take the kids out on the boat for the day. There are child friendly beaches in the area with little or no swells. For older kids there are a variety of tours that may interest them including surf lessons, zip lines and kayaking.
The local currency in Costa Rica is “colones” and the local exchange rate as of October 2016 is 546 colones to one US dollar. U.S. dollars in smaller denominations are widely accepted and you can always exchange money at the local bank. Euros are not known to be accepted. Click here for Updated Currency Exchange Rates
Lightweight clothing, long sleeves for those prone to burning, sunscreen, repellent, hats, comfortable shoes, and a light rain jacket. A flashlight comes in handy for walking at night and during power outages. You can bring rods and tackle, but all equipment is supplied. Batteries, film, etc. are available in town, but keep in mind they may be more expensive and hard to find at times.