
Nautilusdive Jeju
Seogwipo
Google 5/5 (33 reviews)
2,0 km away
Seogwipo · South Korea · Asia
Jeju evenings have a practical rhythm: sea air outside, a warm pool nearby, and somewhere to sit down properly before the day catches up with you.
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Set in Seogwipo, The Grand Sumorum is a four-star hotel and resort built for a stay where the sea, a swim and a decent meal all matter. The property has 132 rooms across four floors, with enough choice for solo travellers, couples and larger groups. It is a sizeable place rather than a tiny guesthouse, so you get the useful resort machinery without having to turn the evening into an expedition.
English is spoken by the hotel team, alongside Korean, Japanese and Chinese. That matters when you are arranging a transfer, asking about dinner or trying to explain that the room needs to be quiet because tomorrow starts early. The general feel is straightforward and well equipped: pools, a restaurant, a bar, a sauna, a gym and practical services all sit on the same address.
The address is 114 Maksukpo-ro, Beophwan-dong, in Seogwipo-si on Jeju Island, South Korea. The hotel sits about 3 miles from Seogwipo city centre, giving you a base outside the central streets while keeping the town within reach by car or taxi.
The property has a garden and terrace, and the restaurant terrace gives you an outdoor place to eat. Airport transfers can be arranged through the hotel, which is the sensible option when luggage, dive bags and an unfamiliar road system are involved.

The choice is unusually broad, running from single rooms to family rooms, suites, apartments, villas, cottages, bungalows and chalets. For a solo trip, the single-room categories keep things simple. Couples can choose between double rooms with a double bed or twin beds, while groups have family rooms and larger accommodation reaching six guests. The cards below carry the exact capacities and category details, so the useful distinction here is how you intend to use the room.
For a view-led stay, there are options facing the sea, ocean, mountain, garden, pool, city or water, as well as rooms with balconies. The family categories are the practical direction for anyone travelling with children or sharing space with a group. A double room with a sea or ocean view makes more sense for a couple who expects to spend time indoors between outings; a twin room is the obvious choice when two divers want separate beds and a little less nightly choreography.
Room facilities vary by category, so check the selected room rather than assuming the whole building carries the same kit. Depending on the room, you may have air conditioning, heating, a fridge, coffee and tea facilities, a safe, Wi-Fi, television, bathrobes, slippers, toiletries, blackout blinds and a hairdryer. Private bathrooms are standard across the listed categories. The room service option is useful when your appetite arrives before your enthusiasm for going back out.
up to 2 guests
up to 2 guests
up to 2 guests
up to 2 guests
up to 2 guests
up to 2 guests
up to 2 guests
up to 2 guests
up to 2 guests
up to 2 guests
up to 2 guests
up to 2 guests
up to 2 guests
up to 4 guests
up to 2 guests
up to 2 guests
up to 2 guests
up to 2 guests

Basalt Restaurant handles the main meals, with breakfast, lunch and dinner served on its terrace. Breakfast is a buffet, with service from 07:00; lunch runs from 11:30 to 15:00 and dinner from 17:30 to 22:00. That gives you a proper evening meal on site rather than forcing a post-dive search for somewhere still open.
There is one named bar: Sunset Lounge & Bar, described as a sunset bar. It is the natural place for a drink when the light is going and nobody is keen to discuss another taxi. The hotel also has a café and snack bar, with bottled water available, so the food-and-drink setup covers more than formal restaurant hours.
Breakfast, lunch and dinner are all available, but the stay does not come with a single stated board formula. Check the meal arrangement attached to the room you choose. Room service is available, which may prove more valuable than any grand dining promise when you return tired, hungry and still wearing the expression of someone who has spent the day wrestling with equipment.

Three pools give you a choice of pace: The Grand Infinity Pool outdoors and heated, Garden Pool outdoors, and an indoor pool for days when the weather has other plans. The outdoor pool is open from May to September. Pool and beach towels are available, and the sun terrace gives you somewhere to stretch out without making a ceremony of it.
The spa covers the more serious business of recovering from a full day out, with massages, facials, a hammam, sauna, jacuzzi, mud bath and body wrap treatments. There is also a gym and fitness equipment for anyone who prefers a controlled session to another horizontal hour. A library, garden, terrace and barbecue area provide quieter alternatives, while the hotel can help arrange excursions for days when you want to see more of Jeju without organising every detail yourself.
Your last day stays dry: no diving in the 18-24 hours before a flight, the perfect window to see the destination from another angle.
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Ratings and reviews collected by Viator and Tripadvisor.
Check-in runs from 15:00 to midnight, and check-out is at 11:00. Reception operates around the clock, with a lift serving the upper floors. The property has free on-site parking, free Wi-Fi throughout the hotel and wheelchair-accessible facilities. Laundry, dry cleaning and ironing services are available, alongside luggage storage, a safe and concierge assistance.
The hotel arranges airport transfers. Contact the hotel with your arrival details before travelling so the transfer can be organised in advance. An airport transfer is available through the hotel, with the exact arrangement to confirm directly when booking.
The hotel accepts Visa, Mastercard, American Express, JCB, Diners Club and cash. Room access is limited to registered guests. For a stay where the room needs to support an early start, the useful basics are here: air conditioning, heating, a fridge in selected categories, free Wi-Fi, private bathrooms and a 24-hour reception.
For the benefit of our customers, we have provided a rating based on our rating system.
This property offers transfers from the airport (surcharges may apply). Guests must contact the property with arrival details before travel, using the contact information on the booking confirmation.
The seasonal pool will be open from May to September.
Only registered guests are allowed in the guestrooms.
The following fees and deposits are charged by the property at time of service, check-in, or check-out.
Fee for cooked-to-order breakfast: KRW 16500 for adults and KRW 16500 for children (approximately)
Airport shuttle fee: KRW 88000 per vehicle (one-way)
The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.
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