This center has cardiovascular and weight-training equipment, and it offers aerobics classes and personal training. Short-term memberships (one to six days) are available. Monday-Friday 6:30 am-7:30 pm, Saturday and Sunday 8 am-2 pm. Visitors' fees start at US$12 per day. 975 Rabbit Road, Sanibel Island. Phone 239-395-2639. http://www.sanibelfitnesscenter.com.