Courtyard Shin-Yokohama vs Shin-Yokohama Prince Hotel

In the Courtyard Shin-Yokohama vs Shin-Yokohama Prince Hotel decision, the right pick turns on two questions: how many people are in your party, and whether you hold Marriott Bonvoy status. Traveling as a family of four, five, or six and need a proven room that sleeps everyone? Book the Shin-Yokohama Prince Hotel — its Superior Twin can be configured for up to six guests with extra beds (the published base capacity is four; rare in Japan; confirm the room type and bed setup at booking), and rates start from ¥18,000/night. Want a station-connected Marriott property and the Bonvoy late-checkout that lets you ride the expo afternoon without rushing back? The Courtyard by Marriott Shin-Yokohama Station (ex-Hotel Associa, reopening December 2026) is the one to watch — but post-rebrand rates are not yet published, so the Prince is the lower-risk book-now option for families.

The two contenders: why they matter for GREEN×EXPO 2027

GREEN×EXPO 2027 runs from March 19 to September 26, 2027 at the former Kamiseya site in Yokohama. Shin-Yokohama is the recommended base for expo visitors: you arrive on the Tokaido Shinkansen, then hop the Sotetsu-Tokyu Line to Futamatagawa and transfer (or ride direct on an Ebina/Ebisuna-bound train) to Seya or Mitsukyo Station, where the free shuttle picks up. The morning commute runs against the rush — Tokyo-bound trains are packed; expo-bound trains are not. Both the Courtyard and the Prince sit squarely in Shin-Yokohama, within a few minutes of that Sotetsu platform.

This article is a strict two-hotel head-to-head. For the full Shin-Yokohama hotel field — including the Kokusai Hotel and Washington R&B as budget alternatives — see the Shin-Yokohama hotels roundup. For the venue commute itself, see the Kamiseya access guide.

At a glance: Shin-Yokohama hotel options

Courtyard by Marriott Shin-Yokohama Station (ex-Hotel Associa)

Hotel Associa Shin-Yokohama — operated by JR Central Hotels and located directly above Shin-Yokohama Station — is currently undergoing a full renovation before reopening as Courtyard by Marriott Shin-Yokohama Station in December 2026. The opening was originally planned for August 2026 but was pushed back to allow more time with the design and construction contractor. By the time GREEN×EXPO 2027 opens in March, the hotel will be fully operating as a Marriott property.

The renovation is converting all 203 guest rooms and expanding the lobby. Notably, the rebrand introduces connecting rooms with interior doors — a rarity in Japanese hotels and useful for families who want two rooms that communicate. The hotel sits directly above Shin-Yokohama Station on the Tokaido Shinkansen, Yokohama Municipal Subway Blue Line, and Sotetsu-Tokyu Line. It is the only station-connected option in the Shin-Yokohama upper-tier.

For Marriott Bonvoy elite members, late checkout is the practical angle for expo visits: if your Gold or Platinum status gives you a 2 pm or 4 pm checkout, you can spend the full expo morning at the venue, return to the hotel mid-afternoon without checking out, and still get to the airport in the evening. Shin-Yokohama's shinkansen access makes the same-day exit realistic whether you're heading to Tokyo, Osaka, or Nagoya.

What we don't know yet: Post-rebrand room types, bed configurations, rates, and amenities have not been published as of August 2026. Do not book based on a rate figure you see elsewhere — confirm directly on Marriott.com closer to the December opening. If your expo dates are firm, the Prince is currently the lower-risk option because you can see exactly what you're booking.

Shin-Yokohama Prince Hotel

The Shin-Yokohama Prince Hotel is a 33-floor tower run by Seibu Prince Hotels. It sits 2-min walk from Shin-Yokohama Station (East Exit, toward Yokohama Arena) and connects via the Prince Pepe shopping arcade. Room rates start from ¥18,000/night.

The headline feature for expo families is the Superior Twin, which can be configured for up to six guests with extra beds — the official room page lists a base capacity of four, but aggregator listings show Superior Twin reaching six via additional rollaway beds. This configuration is genuinely rare in Japan, where most hotels cap at four per room. Confirm the exact room type and bed setup when booking, as not every unit is set up identically. If you're traveling with children or splitting across extended family members, the Prince often eliminates the need to book two rooms — a significant cost saving at ¥18,000+ per room per night.

Note before you book: The hotel has announced no guest-room closure — but the attached Prince PePe shopping mall and its parking lot close in March 2027 for site redevelopment, and that overlaps the whole expo run (2027-03-19 to 2027-09-26). Plan on arriving by train (the on-site parking will be gone), expect the complex around the tower to feel quieter than usual, and check the hotel's latest notices when you book.

The hotel is a large, functional tower — reliable rather than design-forward. Room sizes are comfortable by Japanese urban standards. The building predates the newest Shin-Yokohama developments but is well-maintained. Restaurants are on-site. For a pure expo base where the operational facts matter more than the room aesthetic, the Prince delivers.

Getting from Shin-Yokohama to the expo venue

From Shin-Yokohama Station, take the Sotetsu-Tokyu Line (bound for Ebina, Ebisuna, or Izumino) toward Futamatagawa. If your train is Ebina- or Ebisuna-bound, it runs direct through to Mitsukyo (19 min) and Seya (21 min) — the two closest shuttle stations to the expo, with no transfer needed. If your train is Shonandai-bound, get off at Futamatagawa and cross the platform to a Mitsukyo/Seya-bound train.

The shuttle runs from four stations: Seya (2 km from venue, ¥200 one-way), Mitsukyo (4 km, ¥200), Minami-machida Grand Berry Park (4 km, ¥200), and Tokaichiba (6 km, ¥200); children ¥100. Book the shuttle separately from your entry ticket. On the 19 peak days — all of Golden Week plus September 2027 weekends and national holidays — book early. Driving is not recommended (parking ¥5,000/night, ¥7,000 on peak days); shinkansen + Sotetsu is the intended route.

One more thing to plan: venue-area dining is thin. The expo grounds themselves will have food stalls, but for a proper dinner, plan to return to Shin-Yokohama (Ramen Museum is a 5-min walk from the Prince) or Yokohama Station.

Station connection and occupancy: the two key facts

Of the two hotels compared here, one is directly station-connected (Courtyard, above the platform) and one requires a 2-min walk (Prince, via Pepe arcade). Both are superior to hotels that require a 5-min or longer walk — which matters when you're juggling luggage, young children, or an early expo start. Neither requires an outdoor walk in rain or heat to reach the platform (checked August 2026).

Which to pick: Courtyard vs Prince head-to-head

Book early — buy your ticket now, reserve your date on 2026-09-18

Advance tickets for GREEN×EXPO 2027 went on sale 19 March 2026 (adult early-bird ¥4,900; ¥5,500 at the door) — if you have not bought yours yet, buy now. What opens on 2026-09-18 is the timed-entry date/time reservation, plus shuttle-bus and parking bookings. The lesson from Expo 2025 Osaka is clear: timed-entry slots for popular days sold out fastest in the back half of the expo run. Make your reservation on the day the system opens — don't assume you can grab a September 2027 weekend slot two months before you travel.

Hotel availability in Shin-Yokohama follows the same pattern. The Courtyard's opening date (December 2026) means it will appear on booking platforms some weeks before then — watch for it if Bonvoy status is your deciding factor. The Prince is bookable now; popular expo windows in spring and early summer 2027 will fill. Locking in your room before the September 2026 reservation-system launch is the lower-stress order of operations.

Trip Essentials for Yokohama

Things worth booking before you land, all in English:

• eSIM — Airalo's Japan eSIM: install it at home and data works as soon as you switch off airplane mode at Haneda. Comparing providers? See our Japan eSIM guide.
• Airport transfer — Welcome Pickups runs fixed-price door-to-door pickups from Haneda; Klook sells the airport bus and train tickets if you'd rather ride.
• Luggage storage — arriving before check-in? Radical Storage takes bags at shops near Yokohama Station for a flat daily rate.
• Tickets and day trips — Klook covers Yokohama attractions and Tokyo day-trip tickets; booking ahead skips the ticket-window line.

FAQ: Courtyard Shin-Yokohama vs Shin-Yokohama Prince Hotel

When exactly does Hotel Associa become Courtyard by Marriott?

The rebrand was originally scheduled for August 2026 but was postponed to December 2026 due to additional time needed to coordinate with the design and construction contractor. The hotel will operate as Courtyard by Marriott Shin-Yokohama Station from December 2026 onward — meaning it will be a Marriott property by the time GREEN×EXPO 2027 opens in March 2027. Post-rebrand room rates and room specs have not been published as of August 2026; check Marriott.com closer to the opening date.

Which hotel sleeps a family of six?

The Shin-Yokohama Prince Hotel's Superior Twin can be configured for up to six guests with extra beds — among the very few urban hotels in Japan to reach this capacity. The official room page lists a base capacity of four; the six-person setup requires extra rollaway beds. When booking, specify that you need the six-person configuration and confirm the bed setup. The Courtyard's maximum occupancy per room has not been published; it will offer connecting rooms, which effectively allow a larger party across two rooms with an interior door.

Is either hotel connected directly to Shin-Yokohama Station?

The Courtyard (ex-Associa) is built directly above Shin-Yokohama Station — you descend from the lobby to the platform without going outside. The Prince is a 2-min walk via the Prince Pepe shopping arcade, which is covered. Both are considerably more convenient than the Kokusai Hotel (5-min outdoor walk) or the R&B Hotel (7-min walk). For early expo mornings when you're running with luggage, both are practical.

Which is better for a Marriott Bonvoy member?

The Courtyard, once it opens in December 2026. As a Marriott Bonvoy property, it will earn and redeem points, and elite members (Gold, Platinum, Titanium) receive late checkout — potentially until 2 pm or 4 pm. On an expo day, that late checkout means you can leave your bags, come back from the venue in the afternoon, freshen up, and still make your shinkansen. The Prince participates in the Seibu Prince Hotels loyalty program, which is valuable if you stay at Prince properties regularly, but it does not offer the same late-checkout guarantee as Bonvoy.