Onsenminshuku Kosakaya

7.7

This Ryokan has an overall rating of 7.7/10, based on 473 reviews.

Rank	Ryokan	Rating	Reviews
🥇 1st	Sanso Amanosato	9.6/10	120
🥈 2nd	高野山宿坊不動院 -Koyasan Shukubo Fudoin-	9.4/10	427
🥉 3rd	Kumano-bettei Nakanoshima	9.3/10	391
4th	Koyasan Shukubo Fugenin	9.3/10	187
5th	高野山宿坊恵光院 -Koyasan Syukubo Ekoin Temple-	9.2/10	2,438
6th	高野山宿坊光明院 -Koyasan Shukubo Komyoin-	9.2/10	260
7th	Koyasan Shukubo Saizenin	9.1/10	871
8th	清浄心院 -Shojo Shin-in-	9.1/10	760
9th	Koyasan Shukubo Yochiin	9.1/10	745
10th	高野山宿坊三宝院 -Koyasan Shukubo Sanboin-	9.2/10	66
11th	Kachōfūgetsu, source Nagomi no Yu à Nanki Shirahama	9.5/10	22
12th	民宿美滝山荘 Mitaki Sanso Traditional Minshuku near the Kumano Kodo, just 5 Minutes from Nachi Falls and Nachi Taisha Shrine	9.1/10	132
13th	Hotel Sanrakuso	9.0/10	1,024
14th	KAMENOI HOTEL Kii-Tanabe	9.0/10	414
15th	高野山宿坊総持院 -Koyasan Shukubo Sojiin-	9.0/10	109
16th	Ryujin Onsen Marui Ryokan	9.1/10	45
17th	Katsuragi Onsen Happuu No Yu	9.1/10	42
18th	Koyasan Sanadabo Rengejoin	8.9/10	1,617
19th	Koyasan Shukubo Jokiin	8.9/10	547
20th	Shirahama no Yado Daigo	8.9/10	473
21st	Hotel Tenzankaku Kaiyutei	8.9/10	265
22nd	TAOYA Nachikatsuura	8.9/10	229
23rd	Natural Hot Spring Inn Choseian – 長生庵 –	9.4/10	13
24th	Bijintei	8.9/10	85
25th	Shiraraso Grand Hotel	8.8/10	2,112
26th	高野山宿坊宝城院 -Koyasan Shukubo Hojoin-	8.8/10	851
27th	Hamachidorinoyu Kaisyu	8.8/10	559
28th	XYZ Private Spa and Seaside Resort	8.8/10	497
29th	Watarase Onsen Hotel Yamayuri	8.8/10	161
30th	Manseiro	8.8/10	98
31st	Watarase Onsen Hotel Sasayuri	8.7/10	41
32nd	KAMENOI HOTEL Nachi Katsuura Kumano Kodo	8.6/10	1,404
33rd	Oyado et table Momo	9.3/10	3
34th	高野山宿坊普門院 -Koyasan Shukubo Fumonin-	8.6/10	376
35th	Yanagiya	8.6/10	189
36th	Sunrise Katsuura	8.5/10	741
37th	Musashi	8.5/10	720
38th	Koyasan Gokuraku Stay	8.5/10	26
39th	高野山宿坊大円院 -Koyasan Shukubo Daienin-	8.4/10	256
40th	Wan Wan Paradise Premier Nanki Shirahama	8.4/10	364
41st	HOTEL SHIRAHAMAKAN	8.4/10	1,102
42nd	Wakatake	8.3/10	54
43rd	TAOYA Shirahama Senjyo	8.3/10	121
44th	Miyoshiya Ryokan	7.2/10	3
45th	金剛三昧院 -Kongo Sanmaiin-	8.3/10	422
46th	Kiimiso, refuge secret de Sanada Masayuki et Yukimura	8.2/10	36
47th	Wakayama Kada Onsen Kada Kaigetsu (ex. Azumaya Seaside Hotel)	8.3/10	2,068
48th	高野山宿坊増福院 -Koyasan Shukubo Zofukuin-	8.2/10	57
49th	Hotel Nagisaya	8.2/10	163
50th	Shirahama Onsen Kisyu Hanto	8.1/10	490
51st	Hana Irodori no Yado Kayuu	8.0/10	136
52nd	Minshuku Katsuya	7.9/10	290
53rd	Shinwaka Lodge	7.8/10	109
54th	Ooedo Onsen Monogatari Premium Shirahama Saichoraku	7.8/10	121
55th	高野山宿坊大明王院 -Koyasan Shukubo Daimyououin-	3.6/10	3
56th	Onsenminshuku Kosakaya Current ryokan	7.7/10	473
57th	Kurhouse Shirahama	7.3/10	39
58th	Futagojimasou	7.5/10	312
59th	Kuroshio Sō	4.0/10	26

Check-in from 3:00 PM / Check-out until 9:30 AM

Hot Spring Town Station Access Sea Views Hot Spring Bath Public Onsen Massage

Location

649-5333 Wakayama, Nachikatsuura, Nachikatsuuracho Kitahama 1-18, Japan

Staff 8,4/10

Facilities 7,5/10

Cleanliness 7,9/10

Comfort 8,1/10

Value for money 7,6/10

Location 8,1/10

Walkable station accessAbout a 4-minute walk from JR Kii-Katsuura Station for easy arrivals.

Natural hot spring bathHas its own onsen bath, a practical perk after sightseeing or long travel days.

Japanese-style roomsTraditional tatami rooms give the stay a simple local ryokan feel.

Katsuura baseWell placed in central Nachikatsuura for the port area and town attractions.

Budget-friendly stayA modest minshuku style stay that appeals to travelers seeking good value.

Family-run atmosphereKnown more for homely, personal lodging than large hotel-style formality.

Recommended stay1-2 nightsAccess is the main driver: it is a short walk from JR Kii-Katsuura Station, so 1 night works well for arrival, dinner nearby, an evening bath, and next-day Nachi sightseeing. Stay 2 nights only if you want a slower pace for Nachi Falls, shrine-temple visits, tuna-market meals, or a recovery stop on a longer Kii Peninsula route.

Trip-planning verdict: A simple budget minshuku in central Kii-Katsuura, best for 1 night around Nachi sightseeing or Kumano route logistics rather than a long ryokan stay.

Know before booking

Small bath setupThe onsen appears basic and compact, so do not expect a large scenic bath complex or luxury spa experience.

Shared facilities riskMany room types use shared bathrooms, so privacy and convenience are lower than at full-service ryokans.

Limited overstay valueThe town supports a short stay well, but many travelers will run out of close walkable sights after one full day.

Dining Room (on-site)

on-site

In-house meal space for Japanese breakfast and dinner plans.

Yamaga (nearby)

nearbyabout 7 min walk

Well-known nearby spot for fresh tuna rice bowls and sashimi.

Cafe Codou (nearby)

nearbyabout 5 min walk

Casual cafe near the station area for light lunch and drinks.

Distances are approximate and calculated from the ryokan coordinates. Travel times may vary depending on route, traffic and schedules.

Useful access points Stations, stops, airports and practical travel advice.

Best way to arrive For most travelers, arrive via JR Kii-Katsuura Station and walk if carrying light luggage; with larger bags, a very short taxi ride is easier. If flying domestically, Nanki-Shirahama Airport is the most practical airport because there is a direct airport bus to Kii-Katsuura Station.

Kii-Katsuura Stationstation
340 mabout 4-6 min on footabout 2-5 min by taxi
Best overall rail access point for the ryokan and the most practical arrival point for travelers coming by JR limited express or local train.
Nachi Stationstation
1.5 kmabout 20-30 min on foot, not ideal with luggageabout 5-10 min by taxiabout 10-20 min via local train or bus, best checked locally
Secondary nearby JR station; less convenient than Kii-Katsuura for most arrivals but can be useful depending on itinerary or rail timing.
Taiji Stationstation
4.1 kmabout 55 min walkabout 10-20 min by taxiabout 10-20 min by local train, depending on connections
Occasionally useful if your route includes Taiji or if you are approaching from the south on local services, but Kii-Katsuura remains the better final access point.
Shingu Stationstation
12 kmtoo far to walk comfortablyabout 30-40 min by carabout 20-35 min by JR train, depending on service
Useful regional transfer hub with broader rail and bus connections; practical if you are combining Nachikatsuura with Shingu or Kumano-area travel.
Kii-Katsuura Station Bus Stopbus
340 mabout 4-6 min on footabout 2-5 min by taxi
Useful for local buses toward Nachisan and for the airport limousine bus; a good transfer point if you plan to sightsee before check-in.
Nanki-Shirahama Airportairport
54 kmabout 1 hr 30-2 hr by carabout 1 hr 50 min by direct airport bus to Kii-Katsuura Station, service should be checked locally
Most useful airport for this ryokan if flying into southern Wakayama, especially because direct bus access to Kii-Katsuura is available.
Kansai International Airportairport
110 kmabout 3.5-4.5 hr by caroften around 4.5-6 hr by rail, depending on transfers
Useful mainly for international arrivals; expect a long onward journey by rail, so it is better for travelers prioritizing flight choice over proximity.
Chubu Centrair International Airportairport
158 kmabout 2.4 h by caroften around 4.5-6 hr by rail via Nagoya and the Limited Express Nanki, depending on connections
A niche but valid option for travelers arriving from the Nagoya side, since Kii-Katsuura is a terminal for the Limited Express Nanki.

5 reasons to choose this ryokan best points

Easy walk from Kii-Katsuura StationThe property is only about a 5-minute walk from JR Kii-Katsuura Station, which makes arrival simple without a car. That is especially convenient for travelers doing the Kumano Kodo area by train and bus.
Real onsen in a budget-friendly minshukuIt offers a shared indoor hot spring while staying in the more affordable minshuku category. That combination is appealing if you want an onsen experience without paying full ryokan prices.
Family-run and full of characterThis is a long-running family guesthouse with a more personal, local atmosphere than chain-style lodging. Travelers who enjoy warm, human hospitality may find the stay more memorable than a standard hotel.
Strong base for Kumano sightseeingIts central Katsuura location works well for visiting Nachi-related sights and for onward bus connections in the Kumano region. It is practical for itineraries that combine onsen town time with temple, waterfall, or pilgrimage-area visits.
Japanese-style stay with local seafood mealsRooms are Japanese style, and meal plans focus on seasonal seafood with local flavor. This makes the stay feel more rooted in the Katsuura coastal setting than a generic business hotel.

5 reasons not to choose this ryokan watch-outs

Many rooms use shared toilets and bathsA large part of the room inventory relies on shared facilities, so privacy is more limited than in a full-service ryokan or modern hotel. That may feel inconvenient for couples or travelers wanting a fully self-contained room.
Onsen hours are limitedThe shared bath is available in the afternoon and evening only, and it is closed in the morning. If you like an early soak before checkout, this setup can be disappointing.
Simple comfort rather than ryokan luxuryEven though the building is relatively modern, the experience is still that of a straightforward minshuku. Expect practicality and warmth rather than elaborate design, premium amenities, or a refined high-end ryokan atmosphere.
Early checkout and curfew reduce flexibilityCheckout is by 9:30 and there is a 23:00 curfew, which can feel restrictive if you prefer slow mornings or late evenings out. It is better suited to travelers with a structured schedule.
Cash-only may be inconvenientCredit cards are not accepted, so payment logistics require more planning. International travelers used to cashless hotel stays may find that less convenient.

Current position: 56th out of 59 ryokans in Wakayama.

Rank	Ryokan	Rating	Reviews
51st	Hana Irodori no Yado Kayuu	8.0/10	136
52nd	Minshuku Katsuya	7.9/10	290
53rd	Shinwaka Lodge	7.8/10	109
54th	Ooedo Onsen Monogatari Premium Shirahama Saichoraku	7.8/10	121
55th	高野山宿坊大明王院 -Koyasan Shukubo Daimyououin-	3.6/10	3
56th	Onsenminshuku Kosakaya Current ryokan	7.7/10	473
57th	Kurhouse Shirahama	7.3/10	39
58th	Futagojimasou	7.5/10	312
59th	Kuroshio Sō	4.0/10	26