There is no designated hotel for the World Hydrogen Summit but any of the following hotels are only a short distance away by metro line D or E from the AHOY venue:
Ibis Styles Rotterdam Ahoy, 7 min walk from Zuidplein, $$
www.all.accor.com/hotel/B9R9/index.en.shtml
Art Hotel Rotterdam, one stop away from Zuidplein, $
www.arthotelrotterdam.com
Hotel NH Atlanta Rotterdam, four or five stops away from Zuidplein, $$
www.nh-hotels.com/en/hotel/nh-atlanta-rotterdam
Hotel The James, four or five stops away from Zuidplein, $$$
www.thejames.nl
Hilton Rotterdam, five stops away from Zuidplein, $$$$
www.hilton.com/en/hotels/rtmhitw-hilton-rotterdam
Rotterdam Marriott, five stops away from Zuidplein, $$$$$
www.marriott.com/en-us/hotels/rtmmn-rotterdam-marriott-hotel/overview
SS Rotterdam, three stops from Zuidplein (+ 5 stops on bus 77 or 20 min walk), $$$
www.ssrotterdam.com
Suitehotel Pincoffs, 3 stops away from Zuidplein (+ 8 min walk), $$$$
www.hotelpincoffs.nl/en
Bilderberg Park Hotel Rotterdam,5 stops away from Zuidplein (+ 9 minute walk), $$$
www.bilderberg.nl/rotterdam/parkhotel-rotterdam
Premier Suits Plus Rotterdam, seven stops away from Zuidplein (+ 8 minute walk), $$
www.premiersuiteseurope.com/en/locations/the-netherlands/rotterdam/serviced-apartments-rotterdam
Holiday Inn Express Rotterdam Central Station, six stops away from Zuidplein, $
www.ihg.com/holidayinnexpress/hotels/us/en/rotterdam/rtmcs/hoteldetail
Le Marin Boutique Hotel, seven stops away from Zuidplein (+ 11 minute walk), $$
www.lemarinhotels.com