You can currently create up to 20 Lightsail instances, 5 static IPs, 3 DNS zones, 20 TB of attached block storage, and 5 load balancers in a Lightsail account. You can also generate up to 20 certificates during each calendar year. If you need to increase your account limit for instances, static IPs, block storage, or certificates in your account, please open a case with customer service. We do not currently support increases for DNS zones or load balancers.