Complex sentence: Early in this century there was only one hotel at the beach, the Lawson House on Pearl Street (known today as the Oceanside Apartments), but years ago it was a rooming house and had a dining room open to the public.
Split into simpler sentences: Early in this century there was only one hotel at the beach, the Lawson House on Pearl Street. We know it today as The Oceanside Apartments, but years ago it was a rooming house and had a dining room open to the public.