The pool at a mansion in Key West is a luxurious retreat, seamlessly blending with the tropical surroundings. Let's paint a detailed picture of this idyllic poolside oasis:

**1. Infinity Pool with Ocean Panorama:**
   - The pool is designed as an infinity pool, creating the illusion that the water seamlessly merges with the expansive ocean beyond. The crystal-clear waters of the pool mirror the azure hues of the Key West sea.

**2. Expansive Pool Deck:**
   - The pool is surrounded by an expansive deck made of natural stone or elegant tiles. Comfortable lounge chairs with plush cushions are strategically placed for residents to bask in the sun while enjoying the picturesque views.

**3. Lush Tropical Landscaping:**
   - Tropical landscaping surrounds the pool area, featuring swaying palm trees, vibrant bougainvillea, and other lush greenery. The landscaping not only adds to the aesthetic appeal but also provides a sense of privacy and seclusion.

**4. Poolside Cabana or Gazebo:**
   - Adjacent to the pool, a stylish cabana or gazebo offers a shaded retreat. It's equipped with comfortable seating, perhaps flowing curtains, and serves as a perfect spot for enjoying a cool drink or an afternoon siesta.

**5. Water Features:**
   - The pool may feature subtle water features such as cascading waterfalls or strategically placed fountains, adding a soothing soundtrack to the poolside ambiance.

**6. Sunset Lounge Area:**
   - A designated lounge area with cozy seating is positioned to capture the breathtaking Key West sunsets. Residents can unwind with a cocktail and witness the sun dip below the horizon, casting warm hues across the pool.

**7. Underwater Lighting:**
   - As the day transitions into night, the pool comes alive with underwater lighting. Soft, ambient lights illuminate the pool, creating a magical atmosphere and extending the enjoyment of the outdoor space into the evening.

**8. Tiki Bar or Poolside Pavilion:**
   - A tiki bar or poolside pavilion offers a sophisticated yet casual space for entertaining. Equipped with a bar, comfortable seating, and perhaps a barbecue area, it's an ideal setting for social gatherings by the pool.

**9. Poolside Fire Pit:**
   - For cooler evenings, a stylish fire pit is strategically placed near the pool. Residents can gather around the fire, enjoying its warmth and the soft glow that adds a touch of coziness to the poolside retreat.

**10. Glass Railings for Uninterrupted Views:**
    - If the pool is elevated, glass railings provide uninterrupted views of the ocean from the pool area. This design choice ensures that residents can enjoy the stunning vistas without any visual obstructions.

**11. Cabana Beds or Hammocks:**
    - Sumptuous cabana beds or hammocks are set up in strategic spots, offering residents the ultimate relaxation experience. These private nooks are perfect for lazy afternoons or serene naps by the pool.

In this portrayal, the pool at the Key West mansion becomes a haven of luxury, seamlessly blending with the island's tropical beauty. It's a space designed not just for swimming but for immersive relaxation, social gatherings, and the enjoyment of Key West's stunning natural surroundings.