Create an unbelievably detailed Three.js paradise world centered on Pileh Lagoon at Phi Phi Leh: an enclosed, radiant turquoise lagoon wrapped by soaring jungle-covered limestone walls, entered by traditional long-tail boats and experienced as a complete living tropical sanctuary. This is a deliberately far more ambitious full-world edition than a simple lagoon arrival scene: the viewer must see crystalline water, sculpted karst walls, hidden ledges, reef shallows, dense foliage, boats, swimmers, kayaks, birds, fish, sea opening and every sunlit wet surface as one astonishingly complete environment on frame one.
Make the viewer feel that an entire paradise was built from a billion tiny acts of care: limestone fissures and ledges, hanging roots, dripping vines, palm fronds, leaf highlights, underwater stones, sand ripples, coral patches, fish schools, boat planks, woven canopies, ribbons, ropes, paddle drips, swimmer wakes, spray, reflections and faraway cliff flora. Deliver that apparent impossibility through intelligent procedural richness, instances and levels of detail rather than literal excess meshes.
If you use Three.js, add an import map before the module script mapping "three" and "three/addons/" to the same pinned version, and import only via those names. Generate all cliffs, water, foliage, vessels, people, wildlife, materials, light and animation procedurally without external assets. Fine micro-block craftsmanship may structure rock faces, boats, plant clusters and reefs; the water must remain glassy, continuous, translucent and the single most beautiful visual achievement in the page.
#### FIRST FRAME - PARADISE AS AN ENTIRE WORLD
- Open directly from an elevated inside-the-lagoon vista with a richly detailed long-tail boat at near left, transparent turquoise shallows sweeping across the foreground, several gracefully scaled boats and kayaks in the middle distance, and immense curved limestone walls enclosing the water almost to the sky.
- Reveal the bright narrow seaward entrance between karsts, but keep the viewer undeniably inside the lagoon. Show the full bowl of water and cliffs rather than an approach from generic ocean.
- Make the composition dense yet peaceful: fish and reef beneath clear water, swimmers as tiny scale cues, vines and palms spilling from cliffs, birds circling above, reflected rock shadow and brilliant sunlit water expanding in layers.
- Default to vivid late morning immediately after a tropical shower, with saturated jungle, gleaming limestone, turquoise water glowing from within, fine mist and fragments of rainbow. There is no title screen, no tourism interface and no delayed arrival.
#### WATER DEEP ENOUGH TO FALL IN LOVE WITH
- Build exceptionally nuanced lagoon water: transparent aqua sand shelves, electric turquoise channels, deep emerald cliff reflections, shaded blue-green caves, surface sparkles, sun caustics, moving wakes, paddle rings and falling droplets.
- Under the surface show a complete shallow world: rippled white sand, limestone stones, coral and sea-grass patches, rays of sun, dozens of small fish schooling and turning, the soft shadows of boats and swimmers and reef color visible through the moving surface.
- Water interacts convincingly with everything: wakes split behind boats, cliff drips touch the surface, swimmers leave gentle ripples, kayak paddles shed droplets, fish disturb highlights and falling spray from wet ledges creates tiny rings.
- Keep the water pristine, irresistible and dominant; do not turn this into a crowded marina or speedboat attraction.
#### KARSTS, JUNGLE AND HUMAN-SCALE CRAFT
- Build the cliffs as giant sculptures with astonishing close-range variety: pale limestone faces, dark wet bases, vertical grooves, caves, undercuts, high ledges, rock bridges, calcite streaks, moss seams, dripping surfaces and intense scale against boats below.
- Cover them with layered tropical life: palms angled toward sun, broad leaf clusters, vines, roots, orchids, ferns, tiny flowering plants, hanging shrubs, birds perched on ledges and leaf litter gathered in sheltered coves.
- Model near long-tail boats as masterworks: varnished teak planks, engine assembly and propeller shaft, woven canopy, colored ribbons, ropes, anchors, cushions, coolers, snorkeling equipment and reflected hull details. Additional boats must vary naturally in color, position and activity.
- Add small beautiful stories: a kayak gliding along shadowed rock, snorkelers peering into the clear water, a guide securing a boat gently away from reef, a bird diving toward fish and petals drifting out from jungle overhang.
#### EXPLORATION AND PRACTICAL EXCESS
- Allow orbit, pan and zoom immediately, with reset to the grand enclosed-lagoon vista. Camera presets: complete lagoon basin; waterline beside the detailed boat; underwater-through-surface reef shallows; cliff-wall kayak glide; seaward opening framed by karsts; overhead water-color composition.
- Compact controls only: sunlight/weather mood, water clarity and caustic strength, lagoon activity density and tide depth. Default remains tranquil, intensely bright and instantly spectacular.
- Spend maximum fidelity on water, near boat, hero cliff arcs, underwater foreground and visible vegetation. Instance fish, leaf clusters, rock microforms, distant boats, birds and droplets; use layered efficient water effects rather than expensive simulation.
- Reduce remote foliage and background wildlife before diminishing the glowing water, cliff monumentality or handcrafted boat. Clamp devicePixelRatio to 2 and target smooth exploration on a modern laptop.
- The final world must not merely suggest a beautiful lagoon. It must make the viewer feel they have suddenly arrived inside the most impossibly detailed, lucid tropical water paradise on Earth.
#### LIVING WORLD SIMULATION - A LAGOON PEOPLE MOVE THROUGH
The lagoon should retain tranquility while feeling like a real water place with ongoing, respectful human and natural motion. Boats and swimmers cannot be parked ornaments in perfect water.
- Give vessels believable journeys: a long-tail boat eases in through the seaward opening, follows a safe channel, throttles down, turns and anchors; another departs slowly, leaving an evolving wake. Kayaks hug cliff shade, paddle, coast and change heading around rocks.
- Let small groups act naturally: snorkelers enter water from an anchored boat, spread toward visible reef patches, regroup and climb back aboard; a guide manages rope or equipment; swimmers tread, turn and create overlapping rings rather than remaining fixed dots.
- Animate the ecosystem as a response system: fish schools evade swimmers and boat shadows then reform, birds move between ledges and water, cliff drips generate localized ripples, leaves drift on currents and wakes distort caustics over sand and reef.
- Protect the paradise mood through low counts and rich behavior: fewer agents with clear routes and reactions are better than a dense static tourism crowd.
Use channel paths, boat states, paddle/wake events, flocking fish and simple human action cycles with varied timing. The activity slider controls how many journeys occur, not whether the world is alive; never populate the basin with unmoving boats, swimmer blobs or identical looped fish. Prompt collected by petergpt (collection) ; the original author is unknown on GitHub. github.com/petergpt/3d-prompt-collection/blob/HEAD/README.md#prompt-10 . Copies include this credit. 
Living Lagoon Paradisepetergpt (collection) · Water & sky