Your dream is rich with imagery and symbolism, and it can be interpreted in various ways. Here are some insights:

1. Falling: Falling often represents a loss of control or fear of failure. In the context of your dream, it might suggest that you are currently feeling overwhelmed by a situation in your life or facing uncertainties.
2. Sister: The presence of your sister could symbolize a close relationship or support system. It may reflect your feelings about family or your desire for connection and collaboration in facing challenges.
3. Tropical Waters and Island: Water often symbolizes emotions and the subconscious. Tropical waters may represent a sense of calm or desire for adventure, while the abandoned island could indicate feelings of isolation or being cut off from familiar support.
4. Shark-Infested Waters: Sharks can represent fears or threats that feel daunting. This part of the dream might reflect anxieties you are trying to navigate in your waking life.
5. Abandoned Hunting Lodge: This symbolizes a place of safety that has been neglected. It may represent past experiences or memories that are waiting to be explored or addressed.
6. Rising Tide: The rising tide could symbolize feelings of pressure or the onset of emotional challenges that are becoming harder to manage. It suggests a need to act quickly before circumstances become overwhelming.
7. Grizzly Bear: Bears can represent strength, courage, and personal power, but they can also signify fear or a threat. Peeking out to see the bear might indicate that you are cautious about confronting something in your life that feels intimidating.

Overall, your dream may reflect feelings of vulnerability, the need for support, and the importance of confronting fears. Consider reflecting on areas in your life where you might feel overwhelmed or isolated and think about how you can seek support or face challenges more directly.