There are many activities that you can participate in during your Jaco Beach bachelor party. First, you can participate in water sports like swimming, diving, surfing, kayaking, snorkeling, jet skiing, fishing, and boating. You can also rent a speed boat to try any of these activities. You can stay overnight on the beach or in a resort and eat at a restaurant that participates in the Beach Restaurant Program, which features different types of local cuisine. The Beach Restaurant Program is a great way to experience Latin American cuisine at its best.