San Juan Marriott Resort & Stellaris Casino | 1,177 followers on LinkedIn. The San Juan Marriott Resort & Stellaris Casino invites you to explore an unforgettable blend of style, comfort and convenience. Business and leisure travelers alike will be delighted with our hotel's exceptional oceanfront location on famous Condado Beach, steps from the water and near a variety of captivating attractions; we're a short distance from Old San Juan, the Puerto Rico Convention Center and much more. Every one of our spacious, impeccably designed hotel rooms offers luxury bedding, a flat-screen TV, a large writing desk, high-speed Wi-Fi and a private balcony with stunning views of Puerto Rico's capital city.