What to know
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Reach three hearts of affection with an NPC to unlock entry to their private bedroom, where a special chest awaits.
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Use your phone’s Social tab to track relationships, liked gifts, and progress toward heart levels.
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NPC rooms contain unique rewards like rare items or blueprints, often tucked in treasure chests.
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Build affection daily via talking, gifting favorites, and completing requests for faster access.
Building relationships in Starsand Island opens up the island’s cozy community, letting you step into the private worlds of its residents. Their bedrooms stay locked until you earn enough trust, turning simple interactions into rewarding discoveries.
| Aspect | Details |
|---|---|
| Requirement | 3 hearts (around 370+ affection points) |
| Access Method | Door unlocks automatically at 3 hearts; enter anytime they’re home or via relationship prompt |
| Rewards Inside | Special chest with unique gifts, blueprints, or items |
| Tracking Tool | Phone app Social tab shows hearts, likes/dislikes |
| Daily Limit | Talk once, gift once per NPC per day |
NPC house locations across the island
NPC homes cluster around Starsand Town’s square, with outliers like Gust across from Bloom Atelier in the northeast, Ginger at unit 308 south of the square, Fang on the far west overlooking the sea, and Nia next to Serena. Delphin and Zephariah sit further out on the map edges, while core romanceables like Solara and Zerine anchor central spots—use your phone’s tracking for precise coordinates once added to contacts.

How to build affection for bedroom access
Focus on consistent daily engagement to hit three hearts quickly. Track preferences in the Social tab to maximize points from gifts.

Step 1: Meet and introduce
Approach NPCs marked on your map, chat to add them to your Social list, and note their intro cutscene for initial bond.
Step 2: Daily conversations
Talk to each once per day for base affection; they may send letters or approach you proactively.
Step 3: Gift strategically
Give one liked or loved item daily—favorites like Moonflower for some or fish for Delphin net big points; avoid hates to prevent drops.
Step 4: Complete requests and outings
Check the Bulletin Board for tasks; at two hearts, unlock photo sessions, and at three, shared activities like bike rides boost ties further.
Step 5: Monitor progress
Open phone Social tab daily; one heart enables their gifts to you, two unlocks photos, three grants room access.
Romanceable NPCs and their bedroom perks
There are twelve romanceables available now, like Solara (childhood friend), Aurelis (chef mentor), Zerine (tech enthusiast), and Delphin (angler). Hitting three hearts with any reveals personalized rooms—Zerine’s quirky setup hides tech blueprints, Delphin’s yields rare fish bait. Deeper bonds (four hearts) add requests, five invites cohabitation.

| NPC | Favorite Gifts | Bedroom Reward Example |
|---|---|---|
| Solara | Flowers, cooked meals | Friendship trinket |
| Aurelis | Ingredients, desserts | Recipe blueprint |
| Zerine | Tech scraps, gadgets | Tool upgrade |
| Delphin | Fish, bait | Rare lure |
| Gust | Building materials | Ore sample |
Common challenges and fixes
Doors may glitch post-reload—wait for the NPC to open or recheck heart count. Energy limits daily chats, so prioritize top picks. Newcomers like Portia crossovers (Gust, Ginger) follow same rules but arrive seasonally via station quests.
Maximizing rewards from NPC rooms
Chests respawn items periodically; pair visits with treasure hunts around house exteriors for extras. High bonds yield buffs and resources consistently.

Deepen ties on Starsand Island to transform locked doors into treasure-filled havens, enriching your daily routine with personal stories and aids.