Your dream contains rich imagery and themes that can be unpacked for deeper understanding. Here's a breakdown of some key elements:

1. Cruise Ship and Sinking: The cruise ship often symbolizes a journey or phase in life. A sinking ship can represent feelings of loss of control, anxiety about an upcoming situation, or fear of failure. The fact that it’s docked but still sinking suggests that you may feel stuck in a situation that is becoming overwhelming, even if you are physically safe.
2. People Close to You: The presence of friends indicates that you may be facing challenges with those you care about, or that their support is essential to your journey. Your attempts to warn them could reflect a desire to protect them or share your insights about a situation you feel is risky.
3. Second Chance: The opportunity to escape the sinking ship speaks to resilience and the idea of learning from past experiences. You may be in a situation where you have the chance to approach things differently due to your awareness of potential dangers.
4. Calmness of Others: The calm demeanor of others while you feel urgency may indicate feelings of isolation or frustration. It could suggest you perceive others as being unaware of risks that you are keenly aware of.
5. Inflatable and Wandering: The inflatable represents safety or a means of escape, but your choice to leave it and wander may symbolize a tendency to overthink or hesitate in difficult situations, choosing to observe rather than act.
6. Disorientation and the Rain: The confusion and disorientation you felt when back on the ship could reflect feelings of being overwhelmed in your waking life. Rain often symbolizes emotional release or challenges, reinforcing the idea that you may be grappling with emotional turmoil.
7. The Meeting with Carlos: Your boss appearing could indicate worries about work or authority figures. It might also reflect feelings of being trapped by responsibilities or expectations.
8. Return to the Ship: Returning to the sinking ship after experiencing safety may symbolize a struggle between wanting to protect yourself and feeling drawn back to familiar challenges or unhealthy patterns.

In summary, this dream suggests that you may be navigating a complex situation in your life that involves both personal relationships and responsibilities. It emphasizes themes of awareness, preparation, and the struggle to break free from cycles that feel overwhelming. Consider reflecting on areas in your life where you feel trapped or anxious, and think about how you might create a clearer path to safety or resolution.