
Upon Harbor Seixal Bay
New Apartments for Sale in Seixal, Lisbon
Starting Price
€325,000
Project Completion
09/2026



Upon Harbor Seixal Bay New Apartments for Sale in Seixal, Lisbon
View all properties by LibertasStarting Price
€325,000
Project Completion
09/2026
Payment Details & Terms
- 4-star branded residences from studios to 3-bedroom apartments
- Rooftop infinity pool, gym, sauna and restaurant
- Fully furnished with professional hotel management
- Guaranteed 5% annual return for 3 years on selected units
- Prime waterfront location overlooking Seixal Bay
- Just 16 minutes from Lisbon by ferry
Upon Harbor Seixal Bay is an exclusive four-star branded residence that combines contemporary architecture, premium hospitality and outstanding investment potential in one of the Lisbon Metropolitan Area's most desirable waterfront locations. Created through the careful restoration of the iconic Mundet industrial building, this landmark development successfully blends historic character with modern design, offering a unique lifestyle overlooking the beautiful Seixal Bay and the Tagus Estuary.
The development features a collection of fully furnished studio to three-bedroom hotel apartments, including loft and duplex layouts, all designed to maximise natural light, comfort and panoramic river views. Spacious interiors, premium finishes, fully equipped kitchens, built-in wardrobes and reversible air conditioning create elegant and functional living spaces suitable for both personal use and tourist accommodation.
Designed by the renowned TIP architectural studio, led by Tiago Palmela, with sophisticated interiors by Stacing Home, the project reflects a refined contemporary style inspired by Seixal's industrial heritage and its privileged riverside setting.
Residents and guests enjoy a comprehensive range of premium amenities, including a spectacular rooftop infinity swimming pool with panoramic river views, a sun terrace, restaurant, bar, elegant reception and lobby, fully equipped gym, sauna, meeting room and secure private parking. A 24-hour reception, concierge services and professional management by STAYUpon Hospitality ensure a seamless ownership and guest experience.
Beyond its exceptional lifestyle offering, Upon Harbor Seixal Bay also presents an attractive investment opportunity. Selected units include a guaranteed 5% annual return for three years, while owners also benefit from complimentary personal use and flexible ownership options, making the development ideal for both investment and leisure.
Located on the picturesque waterfront of Seixal, just 16 minutes by ferry from Lisbon, the development enjoys excellent access to beaches, golf courses, nature reserves and Lisbon International Airport. Combining luxury, professional hospitality and a prime riverside location, Upon Harbor Seixal Bay offers a rare opportunity to invest in one of Portugal's fastest-growing waterfront destinations.
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Available Unit Types
1 Bedroom
From 82 m²
Starting from €325,000
2 Bedrooms
From 159 m²
Starting from €690,000
3 Bedrooms
From 158 m²
Starting from €895,000
Amenities
Praça 1º de Maio, Seixal, Lisboa
Located on Praça 1º de Maio in the heart of Seixal, Upon Harbor Seixal Bay enjoys a privileged waterfront setting overlooking the Tagus River. Just 16 minutes from Lisbon by ferry, the development offers easy access to restaurants, cafés, shops, cultural attractions, beaches and major transport links, combining historic charm with contemporary riverside living.
Praça 1º de Maio
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Key facts
How much does Upon Harbor Seixal Bay cost?
Upon Harbor Seixal Bay is a new apartment development in Seixal, Lisboa, listed on ThePrePlan by Libertas. Prices start from €325,000. Layouts: T1, T2 and T3, from 82 to 159 m². That is the developer's published starting price; the final price depends on the unit, the floor and the finish.
When will Upon Harbor Seixal Bay be completed?
Build stage: move-in soon. The developer's estimated completion date for Upon Harbor Seixal Bay is September 2026. Buying before completion usually means signing a promissory contract (CPCV) and paying in stages up to the deed. Dates and payment terms come from the developer and can change, so confirm them before you reserve.
Want to learn more about this development?
Request the official project brochure with floor plans, specifications, finishes and price lists.
