If you are new to Scuba Diving, take the plunge and sign up with your Valentine. It will be the single most life-changing experience you can have. Your lives will never be the same. You will have that constant longing to venture out and find awe-inspiring dive spots around the world that you can explore together.
And if you are a certified diver and you are looking for the perfect Valentine's Day gift for your loved one, think about your experience when you dive and you see the most wondrous of creatures, pass by fantastic coral formations and come up to your safety stop being amazed when looking up at the surface and realize that your are able to breathe underwater while gently being rolled back and forth. Then go and get them the gift of Scuba. Your Valentine will take this gift and cherish it for a lifetime.