Trust me on this, leave them alone every weekend without your guidance and they'll make their own rules and your's will be nothing but lip service. Start when they are runts. Fishing is a great sport to share with children. They'll learn quikcly and be out fishing you in no time. Then the kids will be dragging YOU out to go fishing.
Long Island has so many different places to go, it's easy to switch things up.
You can take a boat rental for two. That's your little girl with you Dad, your flesh and blood. The boys are your friends, but your children are the gold and jewels of your life. If your teenager needs a rush bring them sky diving. That'll give them an adrenalin high they won't forget.