Where Is Sebastian in Stardew Valley? Every Location and Schedule Detail.

Sebastian is often cited as the most difficult NPC to track down in Stardew Valley. As a self-proclaimed loner and freelance programmer who spends a significant portion of his day in a basement, his movements don't follow the typical outdoor patterns of Pelical Town's more social residents. Locating him requires understanding not just where he lives, but how his schedule shifts based on the weather, the season, and your current friendship level with him.

The Primary Location: 24 Mountain Road

Sebastian resides in the basement of the Carpenter's Shop, located in the Mountain area north of Pelican Town. This building is shared with his mother, Robin, his step-father, Demetrius, and his half-sister, Maru.

For new players, the most frustrating aspect of finding Sebastian is the door to his room. He spends the vast majority of his mornings and early afternoons in front of his computer. Until you reach a two-heart friendship level with him, you cannot enter his room. This effectively makes him "invisible" for the first half of most days during the early game. If you are standing in the hallway of the basement and the door is locked, he is almost certainly inside, working or gaming.

To bypass this, you must catch him when he emerges for food or a smoke break. This usually happens in the late afternoon or evening. Understanding the specific timestamps of these movements is the key to consistent interactions.

Spring Schedule: The Foundation of His Routine

In the Spring, Sebastian’s routine is highly predictable unless interrupted by rain or specific social obligations.

Monday through Thursday (Regular Days)

9:00 AM - 10:30 AM: In bed. He is not interactive during this time.
10:30 AM - 3:00 PM: At his desk, working on his computer. (Locked door access required).
3:00 PM - 3:30 PM: Walks to the kitchen in the upper level of the house to get a snack.
3:30 PM - 4:10 PM: Returns to his room.
4:10 PM - 6:30 PM: Back on his computer.
6:30 PM - 7:30 PM: Leaves the house and walks to the lake just east of the Carpenter's Shop.
7:30 PM - 9:30 PM: Standing by the lake, smoking. This is the best time for early-game players to find him without two hearts.
9:30 PM: Heads back home to sleep.

Friday (Social Night)

On Fridays, Sebastian breaks his hermit-like streak to hang out with his best friend, Sam.

9:00 AM - 3:00 PM: Usual routine in his room.
3:00 PM: Leaves his room and heads to the Stardrop Saloon.
5:20 PM - 9:10 PM: Playing pool with Sam in the arcade room of the Saloon. He is very easy to find here, though he won't move from the pool table.
9:10 PM: Leaves the Saloon to walk back to the Mountain.

Saturday (The Town Trip)

9:00 AM: Leaves his house and walks all the way to Sam’s house (1 Willow Lane) in the southwest of Pelican Town.
11:30 AM - 12:30 PM: Standing outside Sam's house with Sam.
12:30 PM - 6:00 PM: Inside Sam's room, playing video games or hanging out.
6:00 PM - 7:30 PM: Walks to the river just south of Sam’s house to smoke with him.
7:30 PM: Starts the long walk back home.

Sunday

His Sunday schedule largely mirrors his Monday-Thursday routine, prioritizing his computer work and late-evening lake visits.

Summer Schedule: Subtle Shifts and Beach Visits

Summer in Stardew Valley doesn't drastically change Sebastian's indoor habits, but it does introduce different outdoor behavior, especially when the weather is clear.

Regular Days (Monday - Wednesday, Sunday)

His indoor routine remains identical to Spring. He stays in his room until 3:00 PM for the kitchen trip and leaves at 6:30 PM to smoke by the lake.

Thursday (The Train Station)

In Summer (and once the Railroad area is unlocked), Sebastian spends his Thursday afternoons near the tracks.

10:30 AM - 2:00 PM: Working in his room.
2:00 PM: Leaves the house and heads north to the Railroad/Spa area.
3:00 PM - 6:00 PM: Smoking near the train tracks.
6:20 PM - 9:30 PM: Standing near the tunnel entrance to the west of the tracks or the platform.
9:30 PM: Returns home.

Friday and Saturday

These remain the same as Spring: The Saloon on Friday night and Sam’s house on Saturday.

Summer 4 (The Clinic Visit)

Every character has a yearly check-up. On Summer 4, you will find him at Harvey's Clinic.

10:00 AM: Leaves home for the clinic.
11:50 AM - 4:00 PM: In the waiting room and then the examination room at the Clinic.
4:00 PM: Heads straight home after his appointment.

Fall Schedule: A Preference for the Outdoors

Fall is arguably the season where Sebastian is most visible. He spends more time near the mountain lake during the day compared to other seasons.

Monday, Tuesday, and Wednesday

10:30 AM - 12:00 PM: At his computer.
12:00 PM: Leaves the house early.
1:00 PM - 6:00 PM: Standing at the mountain lake, just east of his house. This is a massive window for players to find him outdoors during daylight hours.
6:00 PM: Returns to his room for the evening.

Thursday, Friday, and Saturday

These follow his standard special-day routines: Railroad on Thursday, Saloon on Friday, and Sam’s on Saturday.

Winter Schedule: Total Seclusion

Winter is the most difficult time to find Sebastian because he rarely leaves the house except for his Friday and Saturday social commitments. The cold weather keeps him in the basement.

Regular Days (Monday-Thursday, Sunday)

He follows his Spring routine but often skips the evening lake visit if the game triggers specific "cold weather" flags. He will spend almost the entire day in his room. If you do not have two hearts with him in Winter, you may only catch him during his 3:00 PM kitchen run.

Winter 16 (Night Market)

Like most NPCs, his schedule is overridden by the Night Market. He will usually head to the beach around 4:00 PM to view the attractions.

The Rainy Day Exceptions (Crucial for Early Game)

Rainy days are the best time to find Sebastian if you haven't unlocked his room. He has a specific affinity for the rain and visits unique locations.

Option 1: The Beach

On many rainy days, Sebastian will head to the Beach.

10:30 AM: Leaves the house.
1:30 PM - 5:00 PM: Standing at the very end of the long pier (the one to the left of Willy’s Fish Shop). He will be staring at the ocean.
5:00 PM: Returns home.

Option 2: The Saloon Arcade

If he isn't at the beach during the rain, he is often at the Saloon earlier than his usual Friday slot.

3:00 PM: Heads to the Saloon.
5:20 PM - 9:10 PM: Standing in the arcade room, often near the red sofa or the games.

Locations in the Late Game: Ginger Island and 1.6 Updates

If you have progressed far enough to unlock the Ginger Island Beach Resort, Sebastian may randomly spend a day there. When he goes to the resort, he will leave the valley at 11:10 AM and spend the day on the tropical beach. He departs the island at 6:00 PM and goes immediately to bed upon returning home. He will not visit the resort on festival days or his clinic day.

In the 1.6 Update, the Desert Festival (Spring 15-17) also places him in a new location. He may act as a vendor or simply attend. On Spring 15, he typically boards the bus at 11:10 AM and can be found near the desert flamingo or at a designated booth if he is the vendor for the day.

Why Can't I Find Him? Troubleshooting common issues

If you are at the correct location at the correct time and Sebastian is missing, consider these factors:

Friendship Cutscenes: If you have reached a certain heart level (2, 4, 6, 8, or 10), he might be waiting at a cutscene trigger location. For example, his 4-heart event triggers at the Mountain between 11:00 AM and 5:00 PM. If the event is pending, his standard schedule might be slightly delayed.
Festivals: On festival days (like the Egg Festival or the Luau), NPCs do not follow their regular schedules. They appear at the festival grounds and usually return home immediately after the event ends, often going straight to bed.
The "Green Rain" Event: During the Year 1 Summer Green Rain event, Sebastian remains in his room all day and will not leave for his usual smoking or kitchen trips.
Marriage: Once you marry Sebastian, his schedule changes entirely. He will spend most of his time on the farm, standing in the kitchen, or behind the farmhouse in his dedicated motorcycle maintenance area. He still visits his family on Mondays and goes to the Saloon on Fridays, but his "basement dweller" days are largely over.

How to get into his room: The Two-Heart Shortcut

Since the biggest obstacle to finding Sebastian is his locked door, the most efficient strategy is to reach two hearts as fast as possible. Here is what you should bring him when you finally catch him by the lake at 7:30 PM:

Frozen Tears: These are easily found in the Mines between floors 40 and 79. He loves these.
Sashimi: If you have three hearts with Linus, he will send you this recipe. You can turn any cheap fish into Sashimi. This is the most cost-effective way to win Sebastian over.
Void Eggs: If you have a Void Chicken or buy one from Krobus, these are a "Loved" gift.
Quartz: A very common "Like" gift found throughout the mines. It's not as effective as a Frozen Tear, but it's great for consistent gifting.

Summary of Key Search Windows

To save time, memorize these three "Golden Windows" to find Sebastian without needing room access:

The Lake Smoke (6:30 PM - 9:30 PM): Most nights, east of Robin's shop.
The Friday Pool Game (5:30 PM - 9:00 PM): At the Stardrop Saloon arcade.
The Rainy Pier (1:30 PM - 5:00 PM): At the end of the long boardwalk on the beach.

By timing your visits to these windows, you can consistently build your relationship with him until you are finally allowed into the basement to visit him whenever you like.