Senjoen is a 3-star hotel in Masuda, Japan, located at 2164-85 Shimokoucho. With 114 reviews, this seaside property sits about 23,5 mi from Masuda's city center.

Featured amenities include a water park (extra charges), a restaurant, and beachfront access, along with free private parking and on-site parking. The property is adults-only, offers air conditioning and mountain views, and provides non-smoking rooms plus kid-friendly options such as a buffet and kids' meals (extra charges), and a bathtub.

Location notes place it in Masuda, Japan, with the address 2164-85 Shimokoucho. Breakfast availability is not specified.

Masuda’s seaside retreat invites travelers to unwind with a gentle ocean breeze and a touch of coastal charm. An adults-only ambiance sets a calm tone, while air conditioning and mountain views create a comfortable backdrop. Direct beachfront access makes strolls along the shore effortless, and non-smoking rooms keep the air pristine; kid-friendly options like a buffet and kids’ meals (extra charges) add a playful, family-friendly note.

Dining centers around an on-site restaurant with Japanese and Local flavors, offered in a FamilyFriendly, Traditional setting. A on-site water park adds splashy fun for an extra charge, perfect for a lighthearted day by the sea. Free private parking and on-site parking ensure easy arrivals, and accepted payment methods include JCB, American Express, Mastercard, and Visa—cash is not accepted.

A range of room styles caters to different moods, with options featuring Ocean View or Mountain View. For non-smokers, Superior Japanese Style, Ocean View is available (non-smoking, accommodates 2 adults and 1 child). Other Twin options include Japanese Style, Ocean View (108 sqft, non-smoking) and Japanese Style, Mountain View (108 sqft, non-smoking). Smoking-allowed choices include Japanese Style, Ocean View (Twin, 108 sqft) and Japanese Style, Mountain View (Twin, 108 sqft). A room with Mountain View spans 161 sqft in a Twin configuration, accommodating two adults and one child. Non-smoking rooms are available across these layouts, with most options designed for two adults and one child.